This document discusses concepts related to adjustment and mental health. It defines adjustment as a state of balance between an individual and their environment where their needs are met and they conform to social demands. Adjustment is an ongoing process of adapting behavior. Mental health is the ability to adjust to life's stresses, while maladjustment involves physical, behavioral, or emotional symptoms. The document outlines several models of adjustment and lists common adjustment mechanisms like defense mechanisms, escape behaviors, and psychosomatic illness.