A perfect marriage is one in which "I'm sorry" is said just often enough.
Anything you do from the heart enriches you, but sometimes not till years later.
Vanity, revenge, loneliness, boredom, all apply: lust is one of the least of the reasons for promiscuity.
Self-confidence grows on trees, in other people's orchards.
Your children vividly remember every unkind thing you ever did to them, plus a few you really didn't.
It upsets women to be, or not to be, stared at hungrily.