Romantic love is an addiction: a perfectly wonderful addiction when it's going well, and a perfectly horrible addiction when it's going poorly.

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

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

Sometimes we fall in love with somebody who will probably never love us, for reasons having nothing to do with us but with their own mindset, their chemistry.

You size up someone physically in less than one second - too tall, too short, too fat, too thin, too old, too young, too stuffy, too scruffy.

Research shows that couples who have a lot of similarities, including intellectual compatibility, end up staying together.

A hundred years ago, if you had a child out of marriage, you'd be a social disgrace. Today women feel comfortable enough economically and culturally to bring up a child without a recognized commitment from a man.