Then we figured out how to behave like civilized humans beings and not beasts succumbing to our baser carnal desires. We used to also hunt and gather until we found a better way. We also used to only live 30-40 years when reproducing at a younger age was necessary for the survival of our species. Don't base your childish argument about how we used to do stuff. We have evolved beyond that.
There to a lot a comparison points mostly around the nose