“Oh my god. I am so OCD.” I know you’ve been obsessed, so tell me: what’s your poison? What did it for you? Was it an unrequited crush? Some esoteric branch of knowledge you could never quite master? A mop-haired teen idol with the face and vocal range of a neutered kitten? An old grudge you know will never be put right? Trouble at work, at home, in bed, in church?