Revision with unchanged content. Adult emotional immaturity affects as many as 80 percent of the population, yet this condition is so pervasive it is rarely named or addressed directly. All the faces of fear, greed, aversion, ignorance, abuse, unwillingness to delay gratification, defensiveness, unconsciousness, terrorism, and lack of fulfillment and peace, are but a few marks of adult emotional immaturity. This book presents and discusses the theory that Amáte Growth Work, based on the author’s experience, professional practice, and prominent theories and methods promoting emotional healing and growth, is a unique resource for amending adult emotional immaturity. It describes the creation, process, and elements of Amáte Growth Work. It contains a discussion of the use and definitions of the terms emotional maturity and emotional immaturity, including the author’s definitions. It presents data gathered from over 4,000 widely varied sources from the 1700s to the present. The book addresses adults who are emotionally immature, including those with addictions, PTSD, the dying, professionals treating this condition directly and indirectly, employers, institutions such as the military, and centers treating addictions.