it's almost as if she can go off doing what she wants with no serious consequences (other than potentially losing her H, home, and having only part time with her D - which she seems to be content with)
What kind of consequences? You are living in separate houses, right? Are you financially supporting her?
What does your Pastor suggest you do?
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!