Grug could unironically smash a rock against a girl's head and that was a valid means of reproduction because of no abortion and not even a basic understanding of human reproduction at all. The girl would just think she was cursed by the gods or some shit. <|endoftext|> Grug angry at pop culture reference! <|endoftext|> The practical purposes of enforced monogamy for societal cohesion should be obvious. When sexuality is complete laissez-faire, it inevitably becomes an inherently unbalanced situation of powerful men &ldquo;hoarding&rdquo; the women and trying to drive rival males away just from the nature of males having virtually unlimited reproductive capacity and women&rsquo;s being very limited by comparison. This works out ok in ooga booga grug society, but in anything more advanced than that you&rsquo;re going to want to make sure the surplus males have a reason to put their surplus labor to something productive. <|endoftext|> 