Knock-Knock
Who's there?
Lettuce
Lettuce Who?
Let us make this paper.
A: I have the perfect son.
B: Does he smoke?
A: No, he doesn't.
B: Does he drink whiskey?
A: No, he doesn't.
B: Does he ever come home late?
A: No, he doesn't.
B: I guess you really do have the perfect son. How old is he?
A: He will be six months old next Wednesday.
I have an inferiority complex, but it's not a very good one.