Women, it turns out, are built to lead - particularly in the modern world.

There were real reasons that you were attracted to somebody originally. The brain doesn't pick willy-nilly. Unless you part ways hating each other for some reason, that mechanism could get triggered again. You can literally fall in love again.

When you look at the brain regions associated with picking up data from the body, a huge amount of the brain is devoted to picking up information from the lips and tongue.

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

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

Globalization requires taking a broad contextual and long-term view.

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