"Finish each day and be done with it. You have done what you could. Some blunders and absurdities no doubt crept in; forget them as soon as you can. Tomorrow is a new day and you shall begin it well and serenely.
I've compounded some of my worst blunders, (professionally and personally), by replaying old soundtracks and trailers over and over in my head. The outcome: past errors have kept me trapped in a cycle of under-earning and under-achieving.
Learning to close the book on the past is a great skill for moving forward and letting go of old baggage and failures.