From this last case it derives the hostility towards the culture. Freud examines here what factors do to the origin of the culture, and which determined their later map course. From the beginning, the primitive man understood that to survive he had to organize conotros human beings. In " Totem and Tab" it had already been seen how of the primitive family one went to the brotherly alliance, where the mutual restrictions (taboo) allowed the restoration of the new social order, more powerful than the isolated individual. That restriction took to turn aside the sexual impulse towards another aim (impulse limited in its aim) being generated a species of love towards all the humanity, but that did not annul totally the direct sexual satisfaction either.

Both variants look for to unite to the community with bows stronger than the derivatives of the necessity to organize itself to survive. But soon a conflict between the love and the culture arises: the love is against the interests of the culture, and it threatens this one it restrictions. The family defends the love, and the amplest community the culture.The culture restricts the sexuality annulling its manifestation, since the culture needs energy for its own consumption. In " Beyond the principle of placer" two instincts had been postulates: of life (Eros), and aggression or death. Both are not isolate and can be complemented, like for example when the aggression directed towards goes saves to the subject of the autoagresin, that is preserves their life. The libido is the energy of the Eros, but more than this, the greater obstacle is the aggressive tendency than it is against the culture. The mutual aggressions between the human beings make be in danger the same society, and this one does not only stay united by survival needs, of here the necessity to generate loving bows between the members.