This may be because the need to work and/or be a perfectionist are symptoms. MLC has many common symptoms, but there can be some variance.
Perfectionism isn't a symptom of MLC. It's a personality trait.
research in psychopathology/ neurology indicates that there isn't one true self stable over a life time. The self as we know it is the result of interaction between different areas of the brain. If one area is affected (by lesions, toxins, tumours, illness, hormones etc.) the "self" changes. Our behaviour can change according to what we eat, drink, medications, exercise, as well as thoughts and expectations.
I think we continue to mature and develop over time......Erickson life stage development (or lack thereof for MLCers).
This has nothing to do with Erikson, which is to do with maturity. It's to do with neuropsychology. As "the self"is not located in any one brain region, the changes in the functioning of a region can change the sense of self. There are many famous cases, starting with Phineas Gage, who changed completely and permenantly after a head injury. See, for example, work by world reknowned neuroscientist António Damasio, neurologist Oliver Sacks (very accessible), philosopher Daniel Dennett.
I do not believe that MLC has mulitple causes, but I understand that some do believe that. In my opinion, the multiple symptoms make it seem like there may be multiple causes. I think the cause of MLC is developmental.....unresolved issues.
If this is a question of belief, there's no point discussing science.
My point is that evidence, even from this board, suggests that MLC is not ONE thing. This is why therapists don't treat it as ONE thing. MLC is a populist term, with little basis in science. Not all MLC behaviours are a result of unresolved issues. There are cases here of psychotic behaviour, which frankly needs psychiatric care, others of sociopathic behaviour which pre-dates the crisis, others of forms of dementia and depression. Yes, there are some unresolved issues too, and some cases where the spouse is evidently immature.
An MLCer may become stuck, but those are the rare cases.
How do you know? Not even RCR would quantify this!!! And as a statistic, it may cause us to cling to expectations. I understand how desparate we all become, looking for hope, looking for reasons to believe. This site is an oasis of hope in a dessert of cycnism, and so it should remain. But hope is not expectation, and they so easily become confused. Hope is eternal, gives us life. Expectations keep us stuck, stop us from that important focus on ourselves, and our wholeness.
I believe medical and psychiatric diagnosis and separate issues from MLC. I believe MLC is emotional/developmental.
Everyone is entitled to their beliefs. Beliefs have no discussion, because they are just that. They are very important to each and every one of us. But I'm trying to introduce a little science here, which is based on empirically testing a hypothesis, a systematic search for evidence.
I'm pushing my scientific approach as a way of detaching ourselves from events, depersonalising them. It's not only that the process of intellectualising calms the emotions. It's also that it helps to understand that their are a range of psychiatric, neurological, chemical, genetic, and emotional reasons for our spouses' behaviour. Personally, it makes me feel a little less hurt, a little less angry. I hope it may help others, too.