All of the ingredients in a family that count are changeable and correctable - individual self-worth, communication, system, and rules - at any point in time. Any piece of behavior, at a moment in time, is the outcome of the four-way interplay of the person's self-worth and body condition of that moment, his interaction with another, his system, and his place in time and space and situation. To explain his behavior, something needs to be said about all these facts, not just one, and then consider how each part influences the other.