A woman will pay one dollar for a two-dollar item that she doesn't want. When a man gives his opinion, he's a man. When a woman gives her opinions, she's a bitch. Women are the only exploited group in history who has been idealized into powerlessness. Diamonds are a girl's best friend.
Dogs are a man's best friend.
Now you know which sex is smarter. Most men's primary fantasy is still, unfortunately, access to a number of beautiful women. For a man, commitment means giving up this fantasy. For a woman, commitment to this type of man means achieving this fantasy. So commitment often means that a woman achieves her primary fantasy, while a man gives his up.