title: On men and friendship.
mesh_terms: D000328:Adult; D003163:Competitive Behavior; D004644:Emotions; D005260:Female; D005783:Gender Identity; D006716:Homosexuality; D006801:Humans; D007062:Identification, Psychological; D008297:Male; D008875:Middle Aged; D009034:Mother-Child Relations; D009769:Object Attachment; D010553:Personality Development; D012737:Sex Factors; D012951:Socialization; D014705:Verbal Behavior