If anyone had foretold I'd be folding my sweaters, jeans, and, yes, even undies into origami in a quest for a more organized home, I'd not have believed it. Yet, here I am. Remember last year's breakout book The Life-Changing Magic of Tidying Up? It prompted a slew of riveting "clutter" photos all across the web and spawned the hashtag #KonMari — now a verb, as in "I KonMari'd my closets." But does it really work? I put it to the test.