To be happy with a man you must understand him a lot and love him a little. To be happy with a woman you must love her a lot and not try to understand her at all. A woman marries a man expecting he will change, but he doesn't. A man marries a woman expecting that she won't change and she does. Men marry because they are tired.
Women marry because they are curious.
Both are disappointed. A woman worries about the future until she gets a husband. A man never worries about the future until he gets a wife. Before marriage and after marriage. Any married man should forget his mistakes.