then it would be just about the same as the other way, you need some1 to change for you when you are born and when you are old, and somewhere along the lines you get to your body and mind get to their limits and then the fall all the way down...
on the bright side, old people won't need too much space
what if everyone had a chip inside them that makes them work the best they can and enjoy it not being able to choose their work?