The human brain is built to compare; it's Darwinian to consider an alternative when one presents itself.

Haiti is the poorest country in the western hemisphere; some say the poorest in the world.

Falling in love was not really a choice; it just struck me.

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

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.

I don’t think we’re an animal that was built to be happy; we are an animal that was built to reproduce.

If we remained perpetually infatuated, we couldn't eat, sleep or work.