I'm a big fan of the "GPS Theory" when you miss a turn, your GPS doesn't judge you, it recalculates. No matter how many detours you take, it finds another way forward. Life works like that too. You'll make mistakes, but your destination doesn't vanish. The route just changes.
What a privilege it is to afford a gym, buy healthy food, pay bills, have legs that walk, eyes that see, a brain that functions, work every day, and take our bodies to their full potential.