Doctor asks the young patient, “Do you smoke?”



Yes, I'm a single young man,” answers the patient.



Do you drink alcohol?” continues the doctor.



Sure, I'm a single young man.”



Have you a sex?” inquires doctor.



Yes, of course, I'm a single young man.”



My dear,” says the doctor, “if you want to live, you must give up it.”



Well, I could give up smoking and drinking,” assents the young man, “but about sex … I don't know.”



In that case, you should get married,” says the doctor.



“But Why?”, wonders the young man.



To gives up a sex bit by bit