Reply to Grandchildren litter bias. Nurture or Nature...?

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Reply to "Grandchildren litter bias. Nurture or Nature...?"

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[quote=Anonymous]I've read that maternal grandmas serve a huge function in hunter-gatherer societies in caregiving and providing extra food.  This bump is enough that it can make the difference between grandchildren's survival or not.

I've also read that an explanation for menopause (only humans and pilot whales have menopause) is not that women are outliving their normal lifespan, but that they are so essential to their DD's children's survival (hunter/gatherer) that it helps their genes survive by allowing them to assist their grandchildren.  Human offspring take so long to become independent, if a woman is old and has babies then dies, the younger kids would probably die.  Rather than putting more energy into new children--i.e. more children that die or don't do well is not selected for; instead less children but more resources going to them and grandchildren ends up ensuring more gene transmittal in the long run.

So in sum, it could be some subconscious situation, OP, that DH's mom just gravitates toward her DDs kids.[/quote]

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