You’re traveling across the desert, feeling parched and looking dirty. You take a long drink of water from your canteen, then wash your face with the rest. As you’ll discover before you die of thirst in a day or two, you just made a huge mistake.
Outside of cartoons, nobody is this stupid. But people make the same kind of mistake all the time, putting their current happiness (vacations, flat screens, new cars) way above their future well-being…