You're in the market for a new phone, and you can't decide which one to buy. For the past month, if you're an Apple fan, chances are you've been feeling it a bit more than usual. This year, like every year, Apple released new phones—the iPhones 8 and 8 Plus. But they also released a third model, the iPhone X, which makes the decision tougher. Turns out psychologists have names for this kind of decision, and the hemming and hawing that goes into it.