 A divide between people of type A personality and type B personality. A type A personality is the individual that is instantaneously gratificationally diseased. They want everything, and they want it now, and when they get it, it doesn't satisfy them. They want more, or they want something different. You could give my wife 20 pairs of the nicest shoes that were ever made, and a month from now, she'll be wanting to buy 20 of the cheapest ones that were ever made because they're cute, they go with their outfit.