I’m a second-generation gastroenterologist. In my world, no bathroom topic is off-limits. Growing up, my father, a gastroenterologist at the Mayo Clinic, spoke so excitedly to me about the ...

DEAR MISS MANNERS: A car wash I patronize has two single-occupant washrooms, one labeled “Men,” the other “Ladies.” I had availed myself of the men’s room, and as I was closing the door, someone ...