"Why You Should Stop Being So Hard on Yourself" by Charlotte Lieberman (NY Times, 2018-05-22) offers some excellent advice on how "... to avoid getting caught up in our mistakes and obsessing about them until we degrade ourselves, and rather strive to let go of them so we can move onto the next productive action from a place of acceptance and clarity." She suggests three small steps:

(emphasis added; cf Mantra - Be Your Own Best Friend (2016-02-16), There Is Nothing Wrong with You (2020-02-13), ...) - ^z - 2020-06-08