Good Manners

Pauly was on the crowded local city bus when a ravishing young woman got on and took a strap to stand in front of him. After two stops, she bops Pauly on the head with her purse and screams, "Idiot! You're supposed to give a pregnant lady a SEAT!"

"Huh?" asks Pauly, "how far along are you? I couldn't tell."

"About 20 minutes," she says, "and, boy, am I worn out!"