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.

There are cognitive processes and limbic reactions associated with basic emotions. And you can change brain chemistry, but you're still not going to change memories and experiences in a human being.

Men tend to be hierarchical, but women are driven to make lateral connections so they can cooperate.

Men couldn't care less if your strands are perfectly styled and neat. In fact, he might like you more with some wildness or bedhead, since it shows you're carefree and relaxed.

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.

Most of us make up our minds in the first three minutes of meeting someone whether there's a potential for a relationship.

Liberals and conservatives are looking for entirely different things. Their attitudes toward romance and how they court are really dramatically different. There's almost no overlap.