i dont know if i have ocd but judging by what has been said in previous posts i am starting to think i do so here goes
all washing (clothes ) must be folded to the size of one a4 sheet of paper and colour coded even when taking off a t-shirt i have to fold and put not throw,
i also lose sleep if things are not symetrical ie on my tv stand, tv in the middle on top, next shelf down sky box perfectly in the middle, next shelf down xbox perfectly in the middle with a controller either side facing the same direction.