When we're faced with a purchase ono sav m, buying something like a fancy new t v, it's really easy to get sucked into all the concrete features that a product offers. But once it's in your house, you don't think about all th beds in the world any more exactly. Andon when you compare in the store, you're comparing things back and forth. It's a weird, peculiar thing, good most of the time, but not a we're very bad at predicting what will make us happy.