(I’ve worked in a convenience store and a computer shop, and I’ve got a little joke about credit cards and a disarming smile and laugh that people seem to enjoy…but this once…)

Customer: “Do you guys take credit cards?”

Me, smiling: “Sure do, but we don’t give ‘em back.”

Customer, very angry: “You’d g*dd*mn better give it back or I’ll have you arrested on the spot!”

Me: “That was a joke …”