Long Life

Patient: “Doctor, do you think that I shall live until I am ninety?”

Doctor: “How old are you now?”

Patient: “40”

Doctor: “Do you drink, gamble, smoke, womanise or do you have any other vice?”

Patient: “No. I don’t drink. I don’t gamble. I don’t smoke. I don’t womanise. I have no vice.”

Doctor: “Then why do you want to live for another fifty years?”