title: Notes on frustration.
mesh_terms: D000374:Aggression; D001887:Boredom; D002668:Child Rearing; D003220:Conflict, Psychological; D005639:Frustration; D006801:Humans; D007989:Libido; D009289:Narcissism; D009497:Neurotic Disorders / Q000209:etiology*; D011574:Psychoanalytic Theory; D012922:Social Change; D013475:Superego; D014754:Violence