Describes the case of a young adult male who experienced the consecutive onset of nocturnal enuresis, knuckle biting, and trichotillomania (a self-destructive pattern of behavior), primarily of the scalp. Mental status revealed no sign of anxiety, depression, obsessive features, or schizophreniThe consecutive onset of the disorders may have stemmed from societal and family stresses. Training involving competence response therapy (i.e., fist clenching for 3 min when developing the urge to pull hair), coupled with monetary rewards and brief psychotherapy led to a fairly good outcome.