Women's worst invention was the plow. With the beginning of plow agriculture, men's roles became extremely powerful. Women lost their ancient jobs as collectors.

There exists no culture in which adultery is unknown, no cultural device or code that extinguishes philandering.

We spend our lives trying to get along with people so we can keep our jobs, keep our marriages together, so that we can raise our kids properly.

The main characteristics of romantic love are craving: an intense craving to be with a particular person, not just sexually, but emotionally.

There's a lot of talk about the positive aspects of love. We as a society downplay the danger, the anxiety, and the disappointment. We romanticize romance.

Haiti is the poorest country in the western hemisphere; some say the poorest in the world.

Women spend their lives trying to look good for men. So a woman who feels she's sending the right visual signals is pleased with herself.