Creative contraries: a theory of sexuality.
D000222:Adaptation, Physiological; D000818:Animals; D001921:Brain / Q000033:anatomy & histology / Q000502:physiology*; D005201:Fantasy; D005260:Female; D006801:Humans; D008297:Male; D009042:Motivation; D012201:Reward; D012725:Sexual Behavior / Q000502:physiology*