I think Ai X Mitsuhiko is cute

[Schillok]

[Note: "Say" includes thought bubbles]
Conan never said Ai loves him.
Ai never said he loves Conan.
Neither did Ayumi, Mitsuhiko, Genta, Kobayashi-sensei, Yusako, Eri, Kogoro, Sonoko, Ran, Kazuha, Heiji, anyone from the police force, anyone from the FBI, any of the suspects, any of the victims or any of the murders. This leaves uhh... only Yukiko.

And she is a horrible source to confirm it. She saw Ai only very few times and she would tell anything to tease her beloved Shin-chan. Don't tell me she observed how often Ai looked at Conan when Ai was sitting behind her in the car (out of her view) and while Conan was sitting in the front. In addition to her... interesting driving style and while she noticed that car following at the same time. No, that number was clearly made up, she only saw what she wanted to see.
She was the only one who suggested that Ai might love Conan and it was only at that one time.
What is more likely: Yukiko is a Psychic and "saw it in Haibraras mind - or in the 1 hour that she spent with her - that she loves Conan" without ever talking to her? Or that she made it up because she wanted to tease Conan?

[soratothamax]

I'm getting more and more convinced that Haibara/Sherry/Miyano Shiho will either have to die off in the end, or disappear forever.

She can't have a real relationship with any of the kids in her kid form (too unnatural - also, think about all the lies and secrets), and if she returned to her adult form, she would probably have to be prosecuted for her involvement with the organization (unless the organization ceases to exist, leaving no traces behind that could link her to anything illegal *ahem* making poisons that have killed.. how many people already?)

Disagree on both points. I know everyone likes to compare Ai to Emerald(?) from Yaiba but people forget that Ai has something Emerald didn't have, Akai. Yeah, as of now he's dead but until it's 100% confirmed, chances are Akai won't let her die since he already feels guilt for causing Akemi's death. Even if it means taking the bullet himself.
I also thought the same on the second point until a quickly realized that Shiho could get around prosecution easily by the FBI stating she was an informant for them. This doesn't give her full immunity especially since the FBI has no jurisdiction in Japan but probably gets her off with a slap on the wrist at most.

Also if she does decided to become Shiho again, she doesn't have to stay at Agasa's house. She can legally claim the house her father lent to his friend for his business...if they are even still using it. So that kinda adds to the possibility that it isn't guaranteed she would stay Ai in the end.

Wow!  I'm amazed at how much opposition there is to this pairing!!  Especially since it's been hinted at for quite a while in the series. 

There have been hints but there have been hints of ConanxAyumi and that's what AixMitsuko is, a reverse ConanxAyumi. Chances of either happening is extremely low.

I can't support AixMitsuko because that would make me a hypocrite. . My main argument against ShinichixRan is that after the love fades their differences will lead them into ErixKogoro and the same applies to AixMitsuko if it even gets off the ground. What they really need is some spice, Ai should tell Ayumi she likes Conan and they should have an evil fight for him.

oooooooooo! The Blind! I love the way you think!!!!!!! You should have a religion! Seriously!

Who knows? Haibara might end up a FBI/CIA member, or work for Jap police force or work with Shinichi with science and forensics.....

I have all the same arguments. They should've never made Haibara and I wouldn't have thought this way. But I do and I love her! especially with Conan 

[soratothamax]

Authers owe nothing to the fans - Fans owe everything to the auther.
The auther writes in order to give and pass his ideas and story and not what the fans want. If the fans think that Gosho is writing the manga in order to satisfy a certain group of fans, they are wrong. So what if fans will be angry? Did it matter when there were 8 episodes of Endless Eight? Did it matter to the warner bros when they delayed the release of the sixth movie of Harry Potter? Should it matter to Gosho after he will end DC? NO!

So you would think. Initially, writers write to pass their ideas. But they LOVE fan input. You remember I told you I was a writer, right?

Initially they put out their thoughts and ideas. But when fans get excited over a character (it's not necessarily weird to overly like a character), the writer tends to, subconsciously or directly, bring more from the character to the story. It's a known fact. Try writing a novel. I did, and I read it to my friends, and some of them really like one of my characters, which made me happy and made me want to write more about that character, though that character wasn't a main character. Writers want to bring in their own ideas, but they love to please fans too. Why do you think they keep Kaitou Kid in the series when he's not part of the universe? Fans. Fans inspired that from FEEDBACK. They want to keep reader interest, whether they think they do or not. It's a writers' thing...If a lot of people don't give much feedback to a couple, I guarantee you that couple will be shown less and less throughout the series......whether the writer wants it or not. They will continuously write whats interesting. It's kind of like a concert or show. After the concert sometimes, people scream for more or scream and beg for the person to play one song they really want to hear, and at that point they are so into the moment and the love and support of that song, they begin to play it, just to please the crowd. If people don't show much support for the song or boo it, they won't play it as much anymore, especially if it got low itunes sells..... It makes the writer proud to know that people are interested in his ideas, and if he sees people interested, he'll continue to produce it more frequently. If it is something generally most people are against, Goshyo will be disappointed, and that doesn't mean he'll get rid of the character, but specific aspects of the particular character might begin to disappear or the character might not be shown as frequently.

FOR INSTANCE: Not many people were in favor of Eusike. Eusike hasn't appeared since Clash of Red and Black....and might never come back to the series.  Not many people were in favor of the AyumixConan couple, so the series is showing less and less of that slowly but surly. It's how it is. The less interesting a character is or becomes, the more they start to vanish or certain qualities disappear that were once there .....also my suspicions of Ran soon. Her "personality" will be shown less and less until the end as the BO becomes the main focus...

Spoiler:

That's what happened in Cardcaptor Sakura, initially, CLAMP was going to make Yue the one Sakura loved the most, but the demand was so high for SakuraxSyaoran when it was read to several friends, they changed it.

I just love taking psychology and writing classes in college! I'm such a know-it-all of human behavior now! 

[soratothamax]

I think people are looking at this pair from the wrong point of view. Everyone is thinking "she can't be with a seven years old kid." But the thing is, that children don't fall in love with each other. The only way that I may look at this pair is if Haibara stays as a child (of course) and while both of them are in high school then something starts to develop. Then the excuse of "he is too young for her" doesn't work because he matured. Haibara won't become older in mind than what she has been before. If anything, she will become maybe more childish, playful or happy because she has gone through the normal childhood.
So if Mitsuhiko grows up a bit, what would be the true reason for this pair to not work? You can't say "Mitsuhiko's personality doesn't fit Haibara" because you can never tell what his personality would be like when he is a high schooler.
Also, people are saying "Gosho won't make that pair." because they are both kids. But there is no reason from the start to make that pair. Because you can't pair up kids. If he makes a jump to the future of like ten years in the end of DC then he may make them be together.

Wisdom babe! Haibara's wisdom will be that of a 30+ person. Mitsuhiko will be going through the "teenage phase" where they naively fall in love with people who aren't good for them, and make dumb decisions that they have to fix later in life, and begin to think the world is "against them," and they start to care about what their peers think, etc.
Haibara's mind will be too old for that childishness. She might tell Mitsuhiku to grow up.

Why won't this pair work? Because it's not about physical body. There are many older people who look young (such as myself, I'm not old but I'm grown and I look younger). However, their minds are not. Their mental state isn't young. Their generations are totally different. Haibara has been exposed to much more and probably will be more like a mother to Mitsuhiko than a "lover..." She'll be giving him advice and guidance all the time....like a mother....

wait, Goshyo likes those motherly types. I might reconsider......

By the time he turns 18, she'll know what he's going through, but will mentally be passed that. They'll be looking for totally different things in a relationship. Mitsuhiko will just be looking for a girl whos pretty, smart, and loves him. Haibara might be looking for a guy with a job, someone who can help her financially, a good provider, someone who respects her, and loves her but gives her space, is a good family man, etc. She'll have the mind of a 30 year old. she'll already know what to do in life or what she wants to do in life, because she experienced life twice, while Mitsu will be just figuring his life out. Their goals will be different. He won't be able to keep up with her age ever. When he reaches 30, she'll be near the age of menopause and might not be able to supply him with all of his "needs" by then.....he'll want to live life a little, and she'll be ready to settle down.

I've seen couples like this, and that's how it always is. And they never get a long.

[soratothamax]

I just re-read the vol 28(when mitsuhiko and ai were lost in the forrest),and it confirms what i said before... i still have a problem with this potential couple,cause i don't think haibara shows much interest in Mitsuhiko(most of the time she uses him) and when she was aware that he had a crush on her,she seems a bit sceptical ...
[url=http:// http://www.dctp.ws/V28-Reader/V28-1Read ... 8-1_12.jpg] http://www.dctp.ws/V28-Reader/V28-1Read ... 8-1_12.jpg[/url]
and even the moment when she told him that he shouldn't be intimidated by Conan,it was more for encourage him and make him being more mature,(for me it's the same thing as when she said to the DB to not rely on Conan,or to not trust appearences...)

morover when she complained about being an animal lover,it seems like Mitsuhiko was a bit desappointed by her attitude,he took conscience that she wasn't exactly like he discribes her,and then he turns to Ayumi,the other girl,who shares the same opinions as him:
http://www.dctp.ws/V28-Reader/V28-2Read/V28-2/DC-V28-2_17.jpg  
http://www.dctp.ws/V28-Reader/V28-2Read/V28-2/DC-V28-2_18.jpg  

you can notice haibara was happy to see that he turns to ayumi and started to have a crush on ayumi too....(so i don't think you can take the crush of mitsuhiko too  seriously,since he always put haibara and ayumi on the same level )
i think it will be always like that,haibara likes DB a lot ,but she always wants to put a distance between the kids and her,because she's not like them,they will always consider them as kids(even if they grow up together,there will be a disparity between haibara and the DB,due to her age,her experiences...,she won't consider them equal to her)

to my mind,gosho introduced mitsuhiko's crush on haibara,to make her situation more similar to conan's situation(ayumi in love with conan ,so that she also have a kid who admires her... it's gosho's style after all...

and you are all assuming that she will stay as a child?what sort of lesson did she learnt if she choose the easier solution,instead of facing her destiny,and her futur life? she should stay as a child to keep a good deguise in case some BO member would stay in freedom,after the final showdown?and she should forget her identity,her past life just because she had a very hard life?akemi and her parents made part of shiho's life,so i tink it would be a waste if she stay as a child,it would be very contradictory to the values she learnt...
remember what she said about people who goes against the time,they're always punished...(vol 19)
She can return to shiho , stay in agasa's house and having contacts with the DB as a big sister...  anyway,that's what i want  ;D

weird the links didn't work for me, anyways woah  thats alot of typing thanks for taking the time to explain things to these guys

Ai-Chan is always fair and speaks truth. And even though KaitouKid0 is rude to some, I find you funny. 

[TheBlind]

[Note: "Say" includes thought bubbles]
Conan never said Ai loves him.
Ai never said he loves Conan.
Neither did Ayumi, Mitsuhiko, Genta, Kobayashi-sensei, Yusako, Eri, Kogoro, Sonoko, Ran, Kazuha, Heiji, anyone from the police force, anyone from the FBI, any of the suspects, any of the victims or any of the murders. This leaves uhh... only Yukiko.

And she is a horrible source to confirm it. She saw Ai only very few times and she would tell anything to tease her beloved Shin-chan. Don't tell me she observed how often Ai looked at Conan when Ai was sitting behind her in the car (out of her view) and while Conan was sitting in the front. In addition to her... interesting driving style and while she noticed that car following at the same time. No, that number was clearly made up, she only saw what she wanted to see.
She was the only one who suggested that Ai might love Conan and it was only at that one time.
What is more likely: Yukiko is a Psychic and "saw it in Haibraras mind - or in the 1 hour that she spent with her - that she loves Conan" without ever talking to her? Or that she made it up because she wanted to tease Conan?

I really can't force you to see something you don't want to see but you should check out Kaitokid0's post in the Manga board. In there Obscure posted a list of all the Ai episodes in DC(...that's really amazing actually..). I'm sure if you check them out along with the unsubbed episode(manga), you'll see that the AixConan fanbase just didn't magically come up with Ai likes Conan.  

[TheBlind]

oooooooooo! The Blind! I love the way you think!!!!!!! You should have a religion! Seriously!

Who knows? Haibara might end up a FBI/CIA member, or work for Jap police force or work with Shinichi with science and forensics.....

I have all the same arguments. They should've never made Haibara and I wouldn't have thought this way. But I do and I love her! especially with Conan 

Well..I really wouldn't know what to do once I got followers..or what even the goal would be.

I guess I could use them to vote in that popularity contest that's been passed around here. Did Ai win yet?

[soratothamax]

morover when she complained about being an animal lover,it seems like Mitsuhiko was a bit desappointed by her attitude,he took conscience that she wasn't exactly like he discribes her,and then he turns to Ayumi,the other girl,who shares the same opinions as him:

Ahh, I read a slightly different translation of that ending part. In that translation Ai complained that the man was more worried about the well-being of the bear instead of Mitsuhiko and her (meaning he would risk their lives just to help the bear). When Mitsuhiko tried to justify the actions of the man ("He knows im since 20 years") she still insisted that his actions were wrong.
I guess Mitsuhiko was abit shocked by what harsh opinion Haibara had of the world.
And at the end she was smiling at the optimistic and innocent view the three children had (not because Mitsuhiko turned his attention to Ayumi) - and at least to me it seemed like she would like to feel exactly like them (if you ask me it was a nostalic smile)  .
...
Well, I guess you can interpret the ending in different ways.

to my mind,gosho introduced mitsuhiko's crush on haibara,to make her situation more similar to conan's situation(ayumi in love with conan ,so that she also have a kid who admires her... it's gosho's style after all...

Well. I like his style. 
It doesn't matter if this pairing is unlikely and needs some special turns of events or changes of mind to work. It is not impossible and I think it is cute.

well, do to the initial beginning, I think you're both correct! Mitsuhiko was shocked of Haibara's harsh words about the man because they kind of saved a bear's life too, by hiding it, but it almost killed people because if they had kept the bear too long, anyone could've been killed by Jubei.......and also because he just received kind words from her, he probably felt a connection that she too notice of. But later he realized that Haibara wasn't totally "connected" with him and still had harsh words. But I believe Haibara said that because she knows the kids are innocent and carefree, and though she wants to be like that and admires that, she knows that someone like herself would be too much for Mitsu. She wants Mitsu to choose someone who is like him in that way, carefree and innocent, something that she is deprived from.

[Eve]

morover when she complained about being an animal lover,it seems like Mitsuhiko was a bit desappointed by her attitude,he took conscience that she wasn't exactly like he discribes her,and then he turns to Ayumi,the other girl,who shares the same opinions as him:

Ahh, I read a slightly different translation of that ending part. In that translation Ai complained that the man was more worried about the well-being of the bear instead of Mitsuhiko and her (meaning he would risk their lives just to help the bear). When Mitsuhiko tried to justify the actions of the man ("He knows im since 20 years") she still insisted that his actions were wrong.
I guess Mitsuhiko was abit shocked by what harsh opinion Haibara had of the world.
And at the end she was smiling at the optimistic and innocent view the three children had (not because Mitsuhiko turned his attention to Ayumi) - and at least to me it seemed like she would like to feel exactly like them (if you ask me it was a nostalic smile)  .
...
Well, I guess you can interpret the ending in different ways.

to my mind,gosho introduced mitsuhiko's crush on haibara,to make her situation more similar to conan's situation(ayumi in love with conan ,so that she also have a kid who admires her... it's gosho's style after all...

Well. I like his style. 
It doesn't matter if this pairing is unlikely and needs some special turns of events or changes of mind to work. It is not impossible and I think it is cute.

well, do to the initial beginning, I think you're both correct! Mitsuhiko was shocked of Haibara's harsh words about the man because they kind of saved a bear's life too, by hiding it, but it almost killed people because if they had kept the bear too long, anyone could've been killed by Jubei.......and also because he just received kind words from her, he probably felt a connection that she too notice of. But later he realized that Haibara wasn't totally "connected" with him and still had harsh words. But I believe Haibara said that because she knows the kids are innocent and carefree, and though she wants to be like that and admires that, she knows that someone like herself would be too much for Mitsu. She wants Mitsu to choose someone who is like him in that way, carefree and innocent, something that she is deprived from.

You really do love her ^_^

[soratothamax]

morover when she complained about being an animal lover,it seems like Mitsuhiko was a bit desappointed by her attitude,he took conscience that she wasn't exactly like he discribes her,and then he turns to Ayumi,the other girl,who shares the same opinions as him:

Ahh, I read a slightly different translation of that ending part. In that translation Ai complained that the man was more worried about the well-being of the bear instead of Mitsuhiko and her (meaning he would risk their lives just to help the bear). When Mitsuhiko tried to justify the actions of the man ("He knows im since 20 years") she still insisted that his actions were wrong.
I guess Mitsuhiko was abit shocked by what harsh opinion Haibara had of the world.
And at the end she was smiling at the optimistic and innocent view the three children had (not because Mitsuhiko turned his attention to Ayumi) - and at least to me it seemed like she would like to feel exactly like them (if you ask me it was a nostalic smile)  .
...
Well, I guess you can interpret the ending in different ways.

to my mind,gosho introduced mitsuhiko's crush on haibara,to make her situation more similar to conan's situation(ayumi in love with conan ,so that she also have a kid who admires her... it's gosho's style after all...

Well. I like his style. 
It doesn't matter if this pairing is unlikely and needs some special turns of events or changes of mind to work. It is not impossible and I think it is cute.

well, do to the initial beginning, I think you're both correct! Mitsuhiko was shocked of Haibara's harsh words about the man because they kind of saved a bear's life too, by hiding it, but it almost killed people because if they had kept the bear too long, anyone could've been killed by Jubei.......and also because he just received kind words from her, he probably felt a connection that she too notice of. But later he realized that Haibara wasn't totally "connected" with him and still had harsh words. But I believe Haibara said that because she knows the kids are innocent and carefree, and though she wants to be like that and admires that, she knows that someone like herself would be too much for Mitsu. She wants Mitsu to choose someone who is like him in that way, carefree and innocent, something that she is deprived from.

You really do love her ^_^

hawhawhawhawhaw yes I do! I'm guilty! But personally, Ai will be an awesome character WITH or WITHOUT a lover. I mean, how many female characters in DC are awesome WITHOUT a lover? Most of them are awesome BECAUSE of the love part in DC......She's a very independent character. I love independent characters. The only other one is Jodie-sensei and the BO, who are villains....

[Kor]

Authers owe nothing to the fans - Fans owe everything to the auther.
The auther writes in order to give and pass his ideas and story and not what the fans want. If the fans think that Gosho is writing the manga in order to satisfy a certain group of fans, they are wrong. So what if fans will be angry? Did it matter when there were 8 episodes of Endless Eight? Did it matter to the warner bros when they delayed the release of the sixth movie of Harry Potter? Should it matter to Gosho after he will end DC? NO!

So you would think. Initially, writers write to pass their ideas. But they LOVE fan input. You remember I told you I was a writer, right?

Initially they put out their thoughts and ideas. But when fans get excited over a character (it's not necessarily weird to overly like a character), the writer tends to, subconsciously or directly, bring more from the character to the story. It's a known fact. Try writing a novel. I did, and I read it to my friends, and some of them really like one of my characters, which made me happy and made me want to write more about that character, though that character wasn't a main character. Writers want to bring in their own ideas, but they love to please fans too. Why do you think they keep Kaitou Kid in the series when he's not part of the universe? Fans. Fans inspired that from FEEDBACK. They want to keep reader interest, whether they think they do or not. It's a writers' thing...If a lot of people don't give much feedback to a couple, I guarantee you that couple will be shown less and less throughout the series......whether the writer wants it or not. They will continuously write whats interesting. It's kind of like a concert or show. After the concert sometimes, people scream for more or scream and beg for the person to play one song they really want to hear, and at that point they are so into the moment and the love and support of that song, they begin to play it, just to please the crowd. If people don't show much support for the song or boo it, they won't play it as much anymore, especially if it got low itunes sells..... It makes the writer proud to know that people are interested in his ideas, and if he sees people interested, he'll continue to produce it more frequently. If it is something generally most people are against, Goshyo will be disappointed, and that doesn't mean he'll get rid of the character, but specific aspects of the particular character might begin to disappear or the character might not be shown as frequently.

FOR INSTANCE: Not many people were in favor of Eusike. Eusike hasn't appeared since Clash of Red and Black....and might never come back to the series.  Not many people were in favor of the AyumixConan couple, so the series is showing less and less of that slowly but surly. It's how it is. The less interesting a character is or becomes, the more they start to vanish or certain qualities disappear that were once there .....also my suspicions of Ran soon. Her "personality" will be shown less and less until the end as the BO becomes the main focus...

Spoiler:

That's what happened in Cardcaptor Sakura, initially, CLAMP was going to make Yue the one Sakura loved the most, but the demand was so high for SakuraxSyaoran when it was read to several friends, they changed it.

I just love taking psychology and writing classes in college! I'm such a know-it-all of human behavior now! 

actually.....if you look in one of the threads in the off topic discussion, you'll find out that I am writing a novel. Still, if authers made a plot according to their fans' demands, the book would be bad. Fans may come up with good ideas but if my novel gets released, I'd prefer to get hate mail than do what the fans want me to. If it's about a character then I wouldn't worry about that, because I don't have the heart to kill any of my characters (except the ones that I have to kill). I'm writing the book with my ideas, not the fans' ideas.
As far as we are aware, Rowling kept the last chapter in her vault since the early nineties (though it's not very believable. and I didn't read the books but that's what she said) so according to that, she intended to go in her way all along. There were no fans when she wrote that chapter. She wanted to go with her story and that's what she did.

At this point in detective conan, if you have read or watched until now, even if Gosho kills Haibara, you wouldn't stop to watch it, because you also want to know the ending.

[Fronzel]

1) Haibara's mind will always be 18+ years ahead of the DBoys. she will have gone to school twice.

Ai is an adult. In ~10 years Mitsuhiko will also be an adult. They'll be more-or-less the same. It's a binary situation; Ai won't have gone from adult to aging adult because that's something that has to do with the body and the amount of time one has left to live, which she won't be subject to.

I don't see what going to school twice has to do with anything.

3)Haibara has had a rough, doggy-dog life at this moment, and Mitsuhiko is young and not exposed to the world. So he hasn't acquired much wisdom or understanding.

No one's really suggesting that Ai could be interested in Mitsuhiko as he is now, are they?

The phrase is "dog-eat-dog", by the way.

He will never truly understand her generation because he didn't grow up in her generation.

You are placing much too much importance on generation…what’s so important about exactly when a person was born? Especially in this case, where the older person has been magically regressed in age to match the other.

She will be living a lie if she stays a child, and will be lying to the DBoys.

How so? Unlike “Conanâ€

[Abs.]

Not many people were in favor of the AyumixConan couple, so the series is showing less and less of that slowly but surely.

I'm actually pretty excited about this change (and it's quite pronounced) - it seems that at this point in the series, Ayumi has pretty much given up on Conan (possibly because she thinks he and Haibara are an item.)  It's more pronounced in the anime, but I'm talking about the beginning of Episode 427/File 505 - when Genta (and Mitsuhiko) notice(s) that Haibara's wearing Conan's hat, but Ayumi just comments that she thinks it looks good on Haibara (NO JEALOUSY WHATSOEVER)

Obviously, if anyone can find an example of Ayumi wanting Conan for herself after that, feel free to point it out to me.

[Schillok]

Obviously, if anyone can find an example of Ayumi wanting Conan for herself after that, feel free to point it out to me.

Because it was no neccessary? Ayumi showing her affections did not do anything to help her get closer to Conan, why should she do so again? The 500 chapters before were enough to get her point across. And no... if I judge her character correctly she would talk with someone - probably Ai herself - if she had a reason to think that Haibara and Conan were an item.
Though I would love to see a definate AyumixConan moment again. They really got so few lately... (There were a few cute/funny situations like in that snowstorm or in the revolving sushi bar... but if Ayumi hadn't expressed her affections before I wouldn't have taken them serious.)

But this thread is not about Conan x Ayumi, but about Mitsuhiko x Ai. 


I think the consensus so far was that some people don't like the pairing (Because they dislike Mitsuhiko or would much rather pair Haibara with someone else), other think it's cute. We agreed that for it to become possible Mitsuhiko would have to grow up more. There was disaccord wether Ai should stay a child or take an antidote to become Sherry again, depending on what people considered to be better for her (or more logical to choose by her). Some people think it is impossible because they are too different. Others even refuse to call Mitsuhiko x Ai a pairing, while some claim that even if it is one-sided that is enough to fit the definition of "pairing".
We all agreed that Mitsuhiko x Ai is unlikely to happen in the current situation. But even then, that is no reason not to support a pairing if you like it. Quite the opposite.

[TheBlind]

1) Haibara's mind will always be 18+ years ahead of the DBoys. she will have gone to school twice.

Ai is an adult. In ~10 years Mitsuhiko will also be an adult. They'll be more-or-less the same. It's a binary situation; Ai won't have gone from adult to aging adult because that's something that has to do with the body and the amount of time one has left to live, which she won't be subject to.

I don't see what going to school twice has to do with anything.

See the problem here is that you assume because Mitsuhiko will become an adult, he'll magically become compatible with Haibara in maturity..when there is no evidence of that. A 21 year old is an adult, a 30 year old is an adult, but a 30 year old is considered to be more mature(not always the case) and this reflects in society as a 30 year is given more responsibility than the 21 year old.
The other problem here is that you assume Haibara has reached her peak in maturity. She's 18, yeah she's a genius/prodigy for her age but that doesn't mean she won't keep growing and has shown this by continuing her research even in her current state. Asking Mitsuhiko to try and catch up with Haibara(which would mean he would have to LEAP in maturity) and enjoy the same things Haibara does(aka skipping his childhood/teen age years immaturity) just so they could be a possible pairing isn't fair for the kid.

Mitsuhiko is best with someone his age where they will be on an equal level and learning things at the same time. Nothing hurts a relationship more when you start seeing that you partner always has the answer and is usually right even before you get a shot at the problem..especially if you are the male. It gets worse if you start to see that your partner is actually "letting you win".

It's similar to ConanxAyumi but that pairing doesn't get judged as harshly because Gosho has set the standard of the female usually(not saying the female can't take care of herself) being dependent of the male(TakagixSato thankfully breaks this..though Takagi will live a short life) so it really doesn't matter how huge the gap is between them. Though I'm glad they back off the AyumixConan scenes because to me, it started to make Ayumi seem obsessive, selfish, and evil. She has yet to tell Conan she likes him directly or even ask Conan if he likes her back. And doesn't notice that Mitsuhiko and Genta get hurt when she does a "I love Conan moment" and actually get mad if they interfere. We need Mayumi tag in.

-edit-
Actually, I just came to the realization that I have no reason to even argue against this pairing, so just ignore all that I have said.
Man,that chaotic Ran vs Haibara war we had during the revolution period around here must of done a number on me..we even lost GinRei in that war. Was a sad day.