Acquiring property is a central part of the modern American vision of the good life. The assumption that accruing more land or chattels will make us better off is so central to the contemporary preoccupation with acquisition that it typically goes without saying. Yet an increasing body of evidence from psychologists and economists who study hedonics—the science of happiness—yields the surprising conclusion that getting and having property does not actually increase our subjective well-being. In fact, it might even decrease it. While scholars have integrated the insights of hedonics into other areas of law, no scholarship has yet done so with respect to property. This Article maps this novel territory in three steps. In Part I, it summarizes...