At an all-you-can-eat restaurant Josh came back to the table, his plate full for the sixth time.
“Josh!” exclaimed his mother.
“Doesn’t it embarrass you that people have seen you go up to the buffet table six times?”
“Not a bit, “said Josh, “I just tell them I’m filling up the plate for you!”
This joke is included in the Black Book of Jokes. You can order it from here.