Going back to the OP, it's not necessarily the case that this behavior is an evolved one. It could readily be culturally transmitted, and possibly reinforced by a greater survival rate of members of cultures that embrace it.
![[Image: extraordinarywoo-sig.jpg]](https://i.postimg.cc/zf86M5L7/extraordinarywoo-sig.jpg)
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How long does evoluution take.
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