Igner: Mommy, why are you making civilisation collapse?
Mom: Oh, I don't know. I guess Mother's Day just puts me in a bad mood.
Larry: Why's that, Ma?
Mom: One Mother's Day, 70 years ago, the only man I ever loved walked out on me. Some snot-eating bastards say it made me a bitter woman.
Larry: Gee, Ma, you're not a bitter-
Mom: Cram it, ape!