Our biological anthropological heritage disposes humanity to far more diverse varieties of sexual behaviours than our modern repressive culture permits or deems 'socially acceptable'...
Insight into human symbolic behavior and into human interaction through symbolic mechanisms comes from all sorts of disciplines: not only from linguistics, philosophy, psychology, and cultural anthropology, but from attitude research and public opinion study, from new techniques in psychotherapy, from physiology and neurology, from mathematical biology and cybernetics.