There’s a number of different reasons but the hardest to overcome is the fact that we evolved to grow old and die. Having an upper limit on our reproductive age positively benefits our ability to keep evolving and having an upper limit on total age balances the benefits of age (wisdom and experience) with the need to not deny the younger generations of resources.
There’s a number of different reasons but the hardest to overcome is the fact that we evolved to grow old and die. Having an upper limit on our reproductive age positively benefits our ability to keep evolving and having an upper limit on total age balances the benefits of age (wisdom and experience) with the need to not deny the younger generations of resources.