Every day millions of people do things they hide from friends and family: gambling, shopping, adultery, eating disorders, drug use, and more. In fact, about one in fifteen people is living a secret life. That means somebody close to you may be a Secret Keeper. Or it could be you. For three decades, author and counselor John Howard Prin lived as a Secret Keeper, and his secret addictions escalated to near catastrophe. Since breaking the habit, he has...