Death Is Not a Deadline
Your story is not the plot. Your story is how the plot changed you.
The best obituaries tell you about how someone changed throughout their life, as they were put up against small struggles [and] big struggles.
Stories are about how what happens affects someone with a difficult goal and how they change.
Who tells you when you're done? Who sits you down and says, "you've done enough, you've got it, your legacy is set, you're all good"?
I think a midlife crisis hits you whenever you sit down with yourself and think about it.
Your story is not the plot, your story is how the plot changed you.