But nothing on this earth is guaranteed, when you get right down to it, you know ? I've been thinking about that. About how your kids aren't really YOURS, they're just these people that you try to keep an eye on, and hope you'll all grow up someday to like each other and still be in one piece. What I mean is, everything you get is really just on loan. Does that make sense?" Sure,"I said. "Like library books. Sooner or later they've all got to go back into the nightdrop.