I’ve yet to find a decent word for someone who owns the right amount of stuff. I can call myself a hoarder, a pack rat, a minimalist (with stern connotations of austere emptiness), but I have no ready word for being in harmony or balance with what I own. Thinking about moving, and slightly intimidated by the prospect of putting 46 mini-USB cables, twelve souvenir mugs, three pairs of pliers, six sets of bedding (and so on very much ad nauseam) in the right box when packing time came, I wanted to find that balance for which I had no word. And so I came, as inevitably as the change of season, to Marie Kondo and _The Life Changing Magic of Tidying Up_, a master’s thesis on supporting the refuse and recycling industry in these Unprecedented Times. Booking out an entire weekend, I dutifully read and reread, followed along in order, and am now 80% done and starting to form my first conclusions. A wise old friend remarked that “she’s done very well to turn a mental illn...