Eyes, face, bod, intellect, humour, butt...all good stuff. That's why I had to select all of them. But I'm most immediately drawn to a man's face, and intellect and humour can and certainly will deepen my appreciation. I came very close to the cusp of falling in love with a friend of mine (straight, alas), to a large degree because of his superlatively brilliant mind.
Cheers,
Scott