YOU HAVE THE POWER to be happy—really, truly happy—today. That's the word from a growing group of researchers, psychologists, and life coaches devoted to unlocking the secrets of happiness. True happiness, they say, is much more than a smile on your face. It's a way of looking at the world. Happy people are far more focused on the little victories and miracles than the problems. Instead of getting caught up in fear and worry, they see the good possibilities in each situation. They have confidence in their ability to cope, and they live with a sense of purpose. And this state of mind can be yours even if you're currently frustrated with your life, you're normally a little cranky, or you come from a long line of pessimists. It's as simple as adopting the following six habits.