slim, quiet, intelligent, no tattoos, a bit shy....
and somewhat weak-kneed.
Fainting, chloro, unconscious, spell, coma, drug, headko, most things that don't involve death, bondage, or torture. I also am fascinated by the idea of women being naturally prone to fainting. (Not that I actually believe its like that in real life, but I find the idea of it to be a turn on.)
Being in a room full of unconscious supermodels/cheerleaders/ etc.