Panning for poop

Rico says that having a litterbox for one's cats is rather like (well, not much like, but it's a fucking analogy, okay?) panning for gold. You have to get up early every morning and shift a lot of overburden, looking for nuggets. In this case, of course, when you find them you don't bite them. Nor do they have any value, and you keep the overburden for the next day. But, other than that, just like…