I can see where sexy time with a person who serves as basically a mother figure (JMO) in your life might not be nearly as titillating and appealing to a man who seems to rely on his wife for his decision making and self esteem. That dependence upon KA may have left him feeling both safe and yet resentful (ie. safe but small and impotent).
I will never know the answer to this but I really want to know more about his relationship with his mother. Prior to meeting and marrying KA, was she the one he relied upon for decision making and sense of self?
People with DPD believe they can’t take care of themselves. They may have trouble making everyday decisions, like what to wear or what food to eat, without others’ reassurance. They usually don’t realize that their thoughts and behaviors are problematic.
Dependent Personality Disorder
I personally think a resentful, small, angry RA is who Abby and Libby encountered that warm afternoon, not the mild mannered man the jury saw in the courtroom.