Trust, that's the most important thing, I don't care if you're the sexiest guy on earth with the biggest abs, if there's none or not enough trust (to me, which is ALOT) between us, go screw yourself.
Then there's personality, I mean, if you hate Anime, we won't be getting along very much.
To be honest, I don't give much about the looks.
But right now, I only trust two people with my life, my best friend, and my Nii-Sama (not actually related, but really close)
So that's only one guy, whom I wouoldn't date anyways, since I don't see him that way.
But I don't want a partner anyways, never had one and don't want one. It's too much of a hassle.