ML, I think it is because they can feel superior. At least I believe that with my ex. It means that he can be "helping" them and they are oh so grateful because they are more screwed up than he is.
I think MLCers seek imbalanced relationships where they are the ones "not messed up."
M: 16 years Bomb 4/07 OW 20s long gone Divorced 11/09 I remarried New Guy Cooperative r w/X regarding D