A Grandmother was talking to her young grandson, trying to explain the dangers of smoking. â€œNow Johnny,â€ she said, â€œyou have to promise Grandma that, once youâ€™re a grown man, you will never smoke, and never drink.â€
â€œNever, Grandma?â€ asked little Johnny.
â€œNever, boy, not even once,â€ replied the grandmother.
With his eyes wide as saucers, Johnny asked â€œBut wonâ€™t I get thirsty?â€