I think one can never look at him/herself in an objective way.
In sewing22's story, I noticed how she mentioned that the post MLC herself was a facade, a made-up one that she had to destroy and get her true personality. That's how she sees it now. I think that her previous persona was just as true THEN as the one is now. The previous one didn't fit her life anymore and had to be destroyed and a new one had to be built.
So I think people in MLC can't tell that they are in MLC at the replay phase. They see their choices as valid choices that they made because that was the right choice. As they progress, they will see that it wasn't, causing guilt, etc.
A few years ago we talked about affairs with my wife. We were 100% sure that if anything remotely similar comes up, we won't be like those cheating bastards, we will try to fix the problems. We are not like those people, we are honest and we respect each other. Yes, we were like that, she was like that. She couldn't imagine to be a person she is now.