The main problem there, the elephant in the room, is that we live till 85 but the decision about having each and every child has to be carried before 45, and 's

The main problem there, the elephant in the room, is that we live till 85 but the decision about having each and every child has to be carried before 45, and 'soft limit' is a decade lower. Subtract your own childhood, education and getting some money and experiences, and you can see it becomes very very narrow. Demographics will shift dramatically if we are to prolong youth instead of prolonging old age.