Whether you're married or not, relationships - and the satisfaction tied to them - are extremely important for increasing men's and women's quality of life.

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

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

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

Barriers tend to intensify romance. It's called the 'Romeo and Juliet effect.' I call it 'frustration attraction.'

Touch is the mother of the senses. Not only are women more sensitive when they touch, but they're also more sensitive to being touched.

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