In his latest book, Choosing Gratitude: Learning to Love the Life You Have, renowned author James A. Autry reminds us that gratitude is a choice, a spiritual-not social-process. Made evident as behavior, gratitude is not the behavior itself. We may automatically respond, "Thank you" or "Appreciate it" in the daily course of our lives. These are polite, conditioned responses, but they are not gratitude. Instead, gratitude is a way of life, a belief...