Happiness interview: Agapi Stassinopoulos. Through a mutual friend, I e-met Agapi Stassinopoulos. She has a new book that’s just hitting the bookstores, Unbinding the Heart. She grapples with the question of how we can “unbind our hearts” better to experience playfulness, connection, self-expression, and joy. Clearly happiness is at the heart of this challenge. Gretchen: What’s a simple activity that …

