When it comes to performing to a certain people, you cannot afford to look back, you cannot afford to have second thoughts, you cannot afford to think back for that spilt second what you just did a second before. You can only focus on what you're about to perform right next. What that is done, that's it, no more second try, no matter how much you screwed up, you just have to move on. Even though you wanted so badly to re-do it because you knew you could do so much better, you want to prove to others that you can do better. But nah, no second try, so you have to give whatever's that in you so that there's minimal regrets. Or if better, no regrets.

Just a thought.