““So a man goes to see the doctor, and the doc says to him, “I’m sorry, but you need a brain transplant.” The man says, “Oh, my God! How will that work?” The doctor says not to worry. “I have two brains available right now. One is the brain of a man, and it will cost $50,000. The other is the brain of a woman, and it will be $5,000.” The man says, “Why is the woman’s brain so much cheaper?” And the doctor says, “It’s used!””