Experiences shape the brain, but the brain shapes the way we view experiences, too.

My hypothesis is that conservative Republicans have very clear values, and when you have that, you're simply more relaxed.

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

Women are better at reading body language everywhere in the world. As a matter of fact, it's associated with the female hormone estrogen. Women are better at figuring out of tone of voice, reading your face and posture and gesture.

Men have a psychological need to show off their courage and strength. When he sees you talking to another guy, that instinct kicks in and he jumps to protect you and prove he's worthy of your love.

Young women today do not marry the men they met in high school, or even the one they go out with at college, because they do not need to.

For so many generations, a woman's only career path was to marry well and to marry up. Those days have changed.