That's exactly what we do when we ship slash pairings--dream, because it's probably not canonically probable.
I mean, all of us probably realize that it's not going to happen in the series, but anything is possible.
Anyhow, hate is a very delicate emotion. I happen to like love-hate pairings and I actually usually prefer hateful and dark pairings over the fluff, though fluff is plenty possible with this pairing with enough character development and stuff like that.
My main point is, we respect your favoured pair, and we would appreciate if you'd respect ours.
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Anyhow, yay! Yaoi. They're just really beautiful together... I do ship ZeroxYuuki though.
And though I'm not really into it, I go for a Kaname/Yuuki/Zero threesome as well...