Author Dr. Ronald Potter-Efron, is a psychotherapist in private practice in Eau Claire, WI, who specializes in anger management, mental health counseling, and the treatment of addictions. He is the author of Angry All The Time, Handbook Of Anger Management, and Stop the Anger Now; and coauthor of Letting Go of Anger and Letting Go of Shame. According to Dr. Potter-Efron, rage is much more than extreme anger and its consequences can be deadly. If anger is rainstorm, rage is a level five hurricane. It can ruin relationships, end careers, create emotional havoc, and even end in physical damage or worse.