Tom Hiddleston, books, Marvel, cute animals, food, Pokémon, Sailor Moon, history, current events(politics, what's going on in the world, that kind of stuff), among other things…
My parents met and got married while in med school. On the way to graduation, they were both headed to the room where the graduates were to wait before the ceremony, when an attendant stopped my mother and told her that the room was only for graduates and the spouses were supposed to wait in another space.
Now this would be crazy enough, but the kicker is that they went to a historically female medical school. Their class was mostly women. And still when the attendant saw a couple of graduates, they assumed the man was the doctor and the woman was the wife.