ALSO related evidence in favour: hetero teens (mostly f, but some m) in same sex best friend relationships exhibit pseud-love
Are all non-familial human social relationships exaptions from the pair bond?
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that's one of the categories I was thinking of
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Are wolf packs? (I don’t know)
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iow, I suspect direct adaptation to hunter-gatherer band relationships that are not pair bond exaptations, but just guessing
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I'll go with no. I think more of them are degenerate n=2 versions of n>2 group relational modes.
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know if the "green beard" altruism hypothesis has evidence for it? Might apply to this (other person with sim. genes, help)
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