If we were healthy enough to live for a thousand years, our mentality would be healthy enough to develop inertialless space drives that would take us even to the far galaxies. Throughout the universe we would terra-form untold numbers of planets, and live happily ever after. Children would be a sought after enjoyment.
Hmm. You've talked me into it then. Drop me an email when there's a space ark ready to go and I'll show up with my babymother.