man and woman are attracted to their preference in the opposites characteristics, and that is what excites them, but many are the wrong choice, as their own character or personality can't handle their choice.
reading stans comment, guessing the article actually has a chemical side to it, and body and brain response to it. remember long time ago reading, men and women are turned on or off but the others body scent, not fermones, but actual scent of body. this being registered by the brain as immune system, and the offending suiter may have a different immune system characteristic that wouldn't enhance the offspring for the good................maybe BS, but made sense at the time.
oh well, like those natural highs, no matter what stimulates them







