We've read plenty of studies that show people are happier when they spend money on experiences rather than things. But that doesn't mean a pair of jeans or a new gadget can't bring us joy. New research takes that notion one step further: The things you buy bring you different levels of happiness based on how closely they match your personality. Fast Company explains it well: "An outgoing person would love to blow his cash at a pub, but a more introverted person is likely to be happier spending that kind of money on books.” So yes, a shopping spree once in a while can make you feel good, so long as you load up on the right stuff.

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