When I was eighteen, I spent several months working as a bus girl at a diner. It was a cheerful-looking place, facing San Francisco Bay. The kitchen was L-shaped: the owner stood in the short end of the L with the coffee makers and the cash register, and I was often at the other end, by the dishwashing machine, out of sight. In between were the prep counters and an eight-burner stove, where the cook was stationed. He was a middle-aged drinker with bloodshot eyes who would unexpectedly grab me from behind. No one seemed to notice, and in…