“A man with one watch knows what time it is. The man with two is not quite sure” (Unknown). You know the problem: You have too many things. The truth is you only need one of most things. Think tennis shoes and television sets. Or water bottles and yoga pants. There is a peaceful joy found in the presence of owning one. The “minimalist” strategy doesn’t apply to everything—different shapes and colors make life fun—but most of us can do with a lot less.