Motivations for coitus.
D000293:Adolescent; D000374:Aggression; D000786:Anger; D001007:Anxiety; D003075:Coitus; D003220:Conflict, Psychological; D003674:Defense Mechanisms; D005260:Female; D006117:Grief; D006716:Homosexuality; D006801:Humans; D007062:Identification, Psychological; D008149:Love; D008297:Male; D009042:Motivation; D010287:Parent-Child Relations; D011247:Pregnancy; D011584:Psychology; D012043:Regression, Psychology; D012649:Self Concept; D020018:Sexual Dysfunctions, Psychological; D012930:Social Dominance