I decided to copy this from my post at otakuboards on the same subject. I wanted to see what people here thought and since there are so many Trigun fans, here goes:
NOTE: if this becomes lemon/hentai/spam/whatever either because of my posts or because of someone else's posts, I want it closed at once. I don't want any of that to happen. Please.
What do you think the relationship between Vash and Rem in Trigun (the anime, the manga is another issue) really was? I mentioned this in a thread before but my post was a little too lemony and I ended up ruining the thread so. . .
I personally think the characters had something more than just mutual admiration there. My reasoning is as follows:
Rem seemed to show more interest personally in Vash than in Knives, even going so far as to tell him that he reminded her of her then-dead former lover and to style his hair so he would look even more similar.
When Vash told Rem that he loved her, the reaction on her behalf seemed like she wasn't just humoring him. IIRC, she even blushed in that scene.
It was implied they spent time together without Knives being with them (which he was usually when she was teaching them).
In episode 17, when Rem left the escape pod, then died, Vash cried as a grieving lover would. . .
Anyway, I say there's a lot of evidence. It's kind of creepy to think about in one way (because chronologically in the series it could be seen as statutory) but looking at it another way, since he's like depicted as outside of time, that doesn't apply.
So what do you all think?