I don’t know about uncles, but there is an evolutionary hypothesis about the role of grandmothers called the grandmother hypothesis https://en.wikipedia.org/wik

I don’t know about uncles, but there is an evolutionary hypothesis about the role of grandmothers called the grandmother hypothesis https://en.wikipedia.org/wiki/Grandmother_hypothesis https://en.wikipedia.org/wiki/Grandmother_hypothesis Not sure how much scientists feel this applies to family life in modern industrialized society, but I think it’s very interesting that there’s an evolutionary theory for why Grandma was always pushing food.