Every time you cuddle with your children, you're likely to be driving down your testosterone.

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

Every time you walk down the street people are screaming, 'You're fired!'

When you're in the throes of this romantic love, it's overwhelming - you're out of control, you're irrational, you're going to the gym at 6 A.M. every day - Why? Because she's there.

Real competition can drive up testosterone, which boosts libido.

Acting is exciting. It is different every time you do it.