title: Instincts and hostile affects.
mesh_terms: D000328:Adult; D000374:Aggression; D006791:Hostility; D006801:Humans; D007323:Instinct; D007989:Libido; D008297:Male; D008398:Masochism; D009497:Neurotic Disorders / Q000523:psychology; D011574:Psychoanalytic Theory; D012448:Sadism