Earlier quoted context omitted.
I'm preaching to the choir, but for the sake of visibility — there is a very inspiring fable that puts aging into another context: http://www.nickbostrom.com/fable/dragon.html
I'm curious if proponents of 'immortality' do not fear a world where there are tremendous social (not to mention environmental) consequences to significantly extended life/health-spans? If you are under a certain age in any country (say Most peoples' formative life views develop in a certain brief segment of their lives, from which their subsequent experiences simply reinforce. It's sadly a rare few that continually…
As I get older (and I'm still relatively young) I observe that I keep remembering things that are wrong and sometimes I even base decisions on that outdated knowledge.