My point was that when someone says the "life expectancy is 45" that does not mean that everyone dies at 45. > I consider it to be a good thing that we can opt

My point was that when someone says the "life expectancy is 45" that does not mean that everyone dies at 45. > I consider it to be a good thing that we can optimize our evolution We cannot "optimize" our evolution for different traits. Evolution is optimization to the environment. We cannot use human thought to optimize evolution, and that is eugenics anyway so no thanks.