surely you jest
I'm not attacking your opinion, but don't you think comparing TidusxYuna to Twilight and calling it ugly is a bit harsh?
If you're taking the novella/audio drama into light then sure, it's WAY worse. But in X/X-2 if you think about it, their relationship had a lot of depth and just... feel-goodness. Until the second half of the game. Then it gets pretty tragic and depressing.
Apart from this Will/2.5 hurricane, I don't see any sort of similarity between a man preventing a woman from sacrificing herself by ironically sacrificing himself, and a creepy sparkly vampire fighting a werewolf over an over-obsessive psychopath, and turning her into a vampire so they can make hideous vampire babies that are subjected to the very fortunate werewolf.