Primal — Taboo

: The brothers renounced the women they had fought for, establishing a rule that one must marry outside their own group. Modern Perspectives and Criticisms

But what exactly constitutes a primal taboo? Unlike modern prohibitions—such as speeding or tax evasion—primal taboos are not arbitrary rules. They are the structural "dont's" of the human species, the invisible electric fences that separate us from the chaotic state of nature. They are the original sins, the acts so destabilizing that early human groups could not survive their commission. primal taboo