So you want to pare down your belongings. But how much, exactly, do you get rid of? And how can you prevent stuff from simply piling up all over again? Part of the solution to a lasting clutter-free existence may lie in numbers. As in, the number of pairs of shoes, towels, place settings and so on that you decide to keep in the house. By deciding how many items in each category of stuff you really need, those numbers become a sort of fail-safe, preventing your home from free-falling into its formerly cluttered state. Check out these ideas on how to get started, then share your own numbers in the Comments.