Social scientist Arthur Brooks, Ph.D., author of Build the Life You Want, is here to share the playbook—or rather, the “macronutrients” of happiness. “Happiness is best defined in terms of its macronutrients,” he says on this episode of the mindbodygreen podcast. “When I meet somebody for the first time who's not very happy, I start by digging into their macronutrient profile to see where they're deficient.” Listen to the episode or read the article to learn more.