HappinessAvatarKelly HollenbeckHow to Become a More Positive Person in 21 DaysTIME - Jacqueline Andriakos / Health.comWe hear it over and over: It’s the little things that count. Turns out the cliché is dead-on. Research shows that one of the most important secrets to a happy life is to relish the many small moments that bring delight—ones you may not even notice. When you start calling attention to them, your …