((((Tecomsin))))
Sorry you're going through a hard time. I find myself reflecting on past mistakes and behaviors that were out of line or just outright embarrassing. Something that helps from time to time is reminding yourself that you are not the person that you were yesterday or the day before that.
As humans, we have the ability to constantly grow and learn from past experiences. Acknowledge that it is normal to feel guilt, but all you can do is move forward and try not to fixate on certain things too much. This is definitely a process and easier said and done, but we're all a work in progress.