Everybody should challenge themselves. We all do fad diets. We all do presumptuous workouts. We all go through beauty trends. But what we should REALLY do is go through NICENESS trends. Yes! How wonderful and Dr. Seuss-esque the world would be. We should challenge ourselves to be nice. So there. Yes! Go cook that meal for your neighbor when you have leftovers. All it takes is to put all your...