For me, looks/physique can develop as I get to know someone.
I know a guy who happens to be very "good looking" imo, but his attitude turned me completely off and looking at him now does nothing for me at all.
Another guy I know wasn't particularly "good looking" imo at first, but after interactions I find him very appealing to look at. He's shorter than me, not particularly built... But I find myself eyeing him often when he's around.
So, my point is... Looks develop and evolve depending on what kind of connection I have to the person. I will literally find someone more physically attractive if I feel connected to them. I can have great sex with someone I don't have "romantic" feelings for, or who I don't find physically appealing as long as I feel *that* connection. At the same time, I refuse to fuck a guy who may look really tasty but has nothing else to offer.
If he can't make me laugh, smile, think, and show respect he can't get in me.