The enjoyment of a low, grumbly, ominous voice, as well as some sort of black mask covering the upper part of the face during sex, as well as the batman symbol to be somewhere on the partners body.
Person 1: If you like comic books, what's your kink? ;)
When you fail at something in life (eg. failing an exam or not getting a job), go home and spend an hour just standing in the shower, propping yourself up against the wall with your eyes on your feet.
Caleb knew the only thing to do after he didnt get prefect was take a failureshower.