(I’m assisting a customer in the parking lot with her groceries. She presses the lock button on the driver’s side door and closes it.)

Customer: “Oh no! I locked my keys in the ignition!”

Me: “Well, your back door is still open.”

Customer: “I know, I know, but my door is locked! D***!”

Me: “But the back door is still open. You could pass through it to–”

Customer: *slams the back door shut* “Fine, there! Now it’s closed! Can we get back to my problem now?”