Helen Fisher

Any kind of novelty or excitement drives up dopamine in the brain, and dopamine is associated with romantic love.

When you massage someone, the levels of oxytocin go up in the brain, and oxytocin is one of the chemicals that drives attachment.

Your face and head give more information about you than any other body part.

It's good to like yourself, and that only comes from hard work, from doing. But vanity is dangerous; it can trip you badly.

I'm a huge Dallas Mavs fan. What I love about Dirk Nowitzki is he has just as much talent as everyone else, if not more, and he never toots his own horn. He's this silent warrior.

I have no neighbours other than animals and Joshua Trees.