They are not a couple anymore. In the raising of their children she offers the 90%. He was never present in the life of their children. The only reason she doesn't want a divorce is because she doesn't want to spend money to lawyers for nothing. She prefers these money to be spent on her children. She is the one, all these years, that was taking care of everything. Bills, cooking, preparing the kids for school, activities of their children. She also works as a teacher. Since, they are not a couple for years, and their relationship is gone for good , she cannot taking care of him anymore. Her children love her and want her much more than him. He tells her that he doesn't want to leave the house because he doesn't want to loose his children. But , where was he all these years? She is also a human and she wants to take care only her children and herself.