3 links have been added on this idea.
  1. True, I like this idea – makes sense. Furthermore, it’s grandparents that can help ensure you survive to pass THEIR genes on.

  2. urr, nope! “in Darwinian theory, grandparenting makes no sense! Grandparents contribute no ‘fitness genes’ to the grandchildren.” https://crev.info/2019/03/no-grandparents-are-not-products-of-evolution/