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

There's biology in everything, even when you're feeling spiritual.

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 just love them harder.

Men have a psychological need to show off their courage and strength. When he sees you talking to another guy, that instinct kicks in and he jumps to protect you and prove he's worthy of your love.

People have been looking for love potions since hunter-gatherer societies.

Anthropologists have found evidence of romantic love in 170 societies. They've never found a society that did not have it.

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