An old man went to his doctor complaining of aches and pains all over his body. After a thorough examination, the doctor gave him a clean bill of health.
“You’re in excellent shape for a 75-year-old man, “he said. “But I’m afraid I can’t make you any younger. “
“Who asked you to make me younger?” the man replied. “You just make sure I keep getting older!”
This joke is included in the Black Book of Jokes. You can order it from here.