Marriages are more likely to fail when one partner not only does not mirror the other's expressions of happiness, but instead shows expressions of contempt.

Smoking is similar to hitting yourself over the head with a hammer because, when you stop, you feel better

Marriages are more likely to fail when one partner not only does not mirror the other's expressions of happiness, but instead shows expressions of contempt.

Brain surgeons earn 10 times that of a general practitioner... it pays to be an expert.

We are different because our brain is wired differently. This causes us to perceive the world in different ways and have different values and priorities. Not better or worse - different.

We prefer to find mates who are roughly as attractive as we are, which means they are more likely to stay and not look for a better offer.

A three-year old was examining his testicles while taking a bath. 'Mom,' he asked,'are these my brains?' 'Not yet.' she replied.