If he is a narcissistic sociopath, her health problems (chronic fatigue, immune system issues, etc .), could be a result of living under his thumb. Living with someone like that takes a toll on one's physical, mental and emotional health. It ages you. The NS thrives on tearing his/her partner down, making their victim appear to be crazy, needy, frail or unintelligent.
I'm surprised he was such a jerk in public. The one I know cultivates an excellent public image, completely opposite of his behavior within the marriage.
All MOO, I don't know this to be the case in this situation.
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