A young man bought an expensive piece of jewelry as a present for his girlfriend.
“Don’t you want her name engraved on it?” asked the clerk.
The young man thought for a moment, and then, ever the realistic, steadfastly replied, “No, just engrave it: ‘To My One and Only Love.’ That way, if we break up and she throws it back to me in anger, I can use it again. “
This joke is included in the Black Book of Jokes. You can order it from here.