Re-writing Memories...

Sure, it will remain that you did what you did, or said what you said... but...
This does not mean you can't change what you think of, when you cover that memory...
Consider, a song sung without the correct words, which is, later changed so that the correct words are there...
I know of a few private reasons why I would use this technique... Does anyone have something more public in the way of using this technique (that they would like to share)?..