When you fight, anger drives up testosterone in both men and women.

- Helen Fisher

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

- Helen Fisher

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

- Helen Fisher

Good-looking people are always looking for other good-looking people.

- Helen Fisher

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

- Helen Fisher

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

- Helen Fisher

You fall in love with somebody who fits within what I call your 'love map,' an unconscious list of traits that you build in childhood as you grow up.…

- Helen Fisher

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 c…

- Helen Fisher

A world without love is a deadly place.

- Helen Fisher