I was married and divorced at 23.

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.

There's biology in everything, even when you're feeling spiritual.

Both sexes like the exercise and challenge of sports, but for men it's also a basic display behavior for impressing and winning a mate.

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

The Great Depression of the 1930s saw more American unmarried women working from nine to five, mostly in repetitive, boring, subordinate, dead-end jobs. But the number of working women doubled between 1870 and 1940. During World War II it doubled once again.

A woman of 40 or 50 or 60 can take estrogen replacements, get facelifts, spend her money in bars.