Birth by Sleep TerraXAqua... is the idea far-fetched?

As I said, Terra was probably trying to distract Xehanort from attacking Aqua and Ven. If he was really a big careless brute he wouldn't of even tried to fight for them. It looks like Xehanort is after Terra and not Ven or Aqua, and Terra probably wanted to keep it that way. In other words, a sacrifice.
And also as I said, Ven is immature in the respect that he probably does not have much experience. That's probably why Terra stopped him from fighting Xehanort in the beginning. Also if you notice, he does not fight much in the Secret Ending. He does a little, but not very much. Aqua and especially Terra did most of the fighting.
Listen, the idea of TerraXAqua IS NOT SET IN STONE! No one knows yet!
Maybe this will help me understand where you are getting at: In what way is VenXAqua evident? I want to hear a good counter argument, so please don't hold back. :)

:O You know on some fanart/fanfiction sites they are already doing that pairing.... amongst others. *disturbed* That would be hilarious though if that really was the case. XD

 

My Theory

I think that Xemnas and Xehahnort's Heartless are actually the Nobody and Heartless of Terra. Here's how (Short & Simple Version): Terra fights Master Xehanort, gets owned, gets amnesia. He then winds up on Ansem the Wise's doorstop, the only name he can remember? Xehanort. And Xehanort (Ansem's Apprentice) does look like an older Terra if you think about it...

Sorry it's so sloppy. I'm just really lazy...

 

Yours is similar to mine, and I am working on it slowly. But this thread is not about that. It's about the TerraXAqua relationship.

 

Okay twilight, VenXAqua support is on "the look". there was something going on there. Aqua saw what was happening to Ven, and ran to him, sadness in her eyes.

The above statement is in no way my belief.

i think that it is a motherly type of bond between Aqua and Ven. She looks far too old for him, and if Ven is like Sora, he would not reach out to his girl friend for help, would he? I imagine he found out he was out of his depth, and reached out to Aqua for support. He then got frozen, Aqua ran to him to see if he was okay.

Terra was doing the traditional thing of trying to handle everything himself. Xehanort had no wish to fight Terra paticularly, he just wanted to win.

 

I see... so that's why. I didn't even interpret it that way. Like you I thought she was more of the mother/sisterly-type, and Terra being somewhat like a big brother.
But I think Xehanort still is after Terra.
Translated by bittermeats from KHInsider:

荒野でKH2FM＋のシークレットムービーに登場した老人と対峙するテラ。
Terra confronts the old man from the KH2FM＋ secret movie at the wasteland.

ゼアノート「お前ならば　辿り着くと信じていた――」
Xehanort: I believed you'd find your way by now――

ゼアノート「光と闇の壁を越え、私の元へ」
Xehanort: Cross the wall between the light and darkness, to me

ゼアノート「待ちわびたぞ、テラ」
Xehanort: I'm tired of waiting for you, Terra

老人は嬉しそうに手を広げる。逆にテラは険しい表情。
The old man offers out his hand. Oppositely, Terra makes a grim face.

 

Well, you cant really say ven is in-expirienced either...

roxas looks exactly like ven, and repliku had this good theory going that perhaps ven's heart/spirit merged with sora's heart, which explains why roxas looks like ven and why sora had a heart, even though roxas had existed. They both showed evidence in which they possibly had hearts...(sora a definte yes, roxas perhaps when he cried as sora was leaving twilight town...)

anyway back to the ven cannot be expirienced point...have you seen cloaked roxas from kh2fm+ fight? and not even then, I mean his fighting style even in deep dive...sora doesnt fight like that...sora cant handle light like that to where he can make little balls of it strike the opponent while floating...
(could roxas' techniques come from ven? I explained the whole roxas/ven thing above^^^ so its a possibility...if it were true, I would say ven is a pretty tough fighter)

and the venxaqua idea seems to be apparent to many, because of the fact that ven looks at aqua and stares at her, eye to eye, from the top of the cliff...not only had they been helping eachother out for the duration of the fight, but aqua catches ven and stares at him, holding him...

also in the scans, we see ven on destiny islands, and a showdow that looks like aqua next to him...

 

Okay, I understand now. Thank you. I had a similiar idea to repliku about Ven and Roxas but more about that later. I am still convinced that Ven is younger and less experienced, though.
Here's something to think about that I haven't mentioned: Naminé. I am guessing she is a character in BBS, though I obviously could be dead wrong. If this was the case, then we know who Ven would be paired with. Think: Roxas looks like Ven, Naminé looks like...
Also, about the "look" between Aqua and Ven. Pika_power already wrote what I think, so you could look at her posts.