Women like signs of money and education - things that indicate that not only is this guy going to have some resources, but he's also willing to share them.

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

The Great Depression of the 1930s saw more American unmarried women working from nine to five, mostly in repetitive, boring, subordinate, dead-end jobs. But the number of working women doubled between 1870 and 1940. During World War II it doubled once again.

When chimps threaten, they open their mouth and show their teeth. It's a little like waving a knife in front of you. It's very primitive, and therefore bizarre.

At first I assumed hate was the opposite of love. But it isn't. The opposite of love is indifference.

Psychologists maintain that the dizzy feeling of intense romantic love lasts only about 18 months to-at best-three years

Nobody gets out of love alive. You turn into a menace or a pest when you've been rejected.