Experiences shape the brain, but the brain shapes the way we view experiences, too..

Saliva has testosterone and estrogen. When you kiss, you're having a chemical experience..

Almost always, when I'm on TV, the producers who call me, who negotiate what we're going to say, is a woman..

When people tell you to walk a certain way, it's like not thinking of a purple tomato. You can't not do it..

When you fight, anger drives up testosterone in both men and women..

You've got to remember that men are men and women are women. And although a lot of similarities, there are some real differences..

I was married and divorced at 23..

You can get into a very fancy car and know everything about the engine, but when you drive in that car, you feel that rush. In the same way, I think ….

[Women] tend to collect more pieces of data when they think, put them into more complex patterns, see more options and outcomes. They tend to be cont….

We evolved in a tropical climate where the smells of plants and flowers were all around us. We spent a lot of time in the trees with a lot of sunligh….

A Rolex watch or an expensive car are the things guys often use to show status, wealth, and basic desirability..

A world without love is a deadly place..

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 ro….

I think romantic love evolved to enable you to focus your mating energy on just one individual at a time, thereby conserving mating time and energy..

You know, when you've been dumped, the one thing you love to do is just forget about this human being, and then go on with your life - but no, you ju….

It certainly would have been adaptive for ancestral man to have a chubby wife during stressful times of famine. Not only would she have had more calo….

Romantic love is an obsession. It possesses you. You lose your sense of self. You can’t stop thinking about another human being..

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

love is like Someone is camping in your head.

Any kind of novelty or excitement drives up dopamine in the brain, and dopamine is associated with romantic love..

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..