One is rarely an impulsive innovator after the age of sixty, but one can still be a very fine orderly and inventive thinker. One rarely procreates children at that age, but one is all the more skilled at educating those who have already been procreated, and education is procreation of another kind.
We're all vulnerable in our various ways, and what we are physically, our bodies, is what has developed with the goal of keeping that life safe and intact, at least until we have procreated. That's what our bodies are, the protection of life.