I forgot if you mentioned it before, but did the two of you ever see a C? Preferably one with a psychiatric background? You may have mentioned that your W is on meds, but if not, then she needs to get some stat.
This is basically for your kids who need some sort of stability from her.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.