[orf]

Having a kid back then was a huge investment, no? The mother is weaker for half a year, eats more and could die in childbirth

[stcredzero]

Having a kid back then was a huge investment, no?

Yes, but the same investment was made in every other member of the group as well. However, everyone who made it well past childhood had a lot more knowledge, food, and material invested in them.