Women apparently are quite drawn to men who have differences rather than similarities in their histocompatibility system. They pick it up by smell, and they can pick it up from kissing.
Helen FisherWomen are very attracted to a low voice because it's linked to testosterone, which for millions of years was a sign that men had very good spacial skills and would have been very good at hunting and finding their way back home.
Helen FisherHair that looks like it's been naturally sun-bleached makes you seem youthful, like you spend a lot of time outdoors. And that appeals to most people.
Helen FisherThe brain was not built to walk into a bar, where you know nobody, and start a conversation. That's not the way humanity has courted.
Helen Fisher