Personality wise:
Not necessarily quiet, but I don't like chatterboxes either
Empathetic
deep thinker - i like discussing theories with people a lot
FUNNY << a must. I love funny men
weird in some manner
passionate
if he has those qualities, I don't really care about appearance unless he's deformed, but he'd get an extra bonus if he looks like Mario Lopez, Ryan Tongia, or Tyler Hoechlin