The clanking of the plates and silverware was constant. The waitress smiled as she refilled the diner’s coffee cups. She laughed at the old men’s jokes. Jokes she’d heard many times before, but she always laughed. Her laughter made the men feel good, and it didn’t hurt her tips.

The cigarette smoke hovered in a thick haze under the ceiling tiles. After filling and refilling cups, she emptied their ashtrays.

This went on in constant repetition. So reliably that you could exit ...