Because we don't live for 170 years.
We live an average of around 80 - and that's only become common in the past hundred or so years (not counting, of course, exceptional individuals) so our reproductive cycle evolved in a primate that lived, on average, 30-40 years.
We live an average of around 80 - and that's only become common in the past hundred or so years (not counting, of course, exceptional individuals) so our reproductive cycle evolved in a primate that lived, on average, 30-40 years.
Playing Cluedo with my mum while I was at Uni:
"You did WHAT? With WHO? WHERE???"