Something strange happens in our brains when we make a purchase. The pleasure chemical dopamine spikes whenever we're on the hunt. Whether you're browsing Amazon or sifting through used records at the thrift store, we get a rush, a sensation of excitement. It's the thrill of the search, left over from our hunter-gatherer days. Then, once we have found what we're looking for, those pleasure chemicals kick into overdrive. Our heart rates increase. We feel a sense of euphoria. T