Proving to yourself that you can overcome challenges is really important, but part of the human experience is also to be humbled by our own human limitations. We are not infinite in this version of life for a reason. Accepting that helps put an end to the daily reinforcement of those dirty old core beliefs cast in failure and allows in some new narratives, narratives YOU get to write. There are myriad ways to measure greatness; sport does not have a monopoly on that.