I think this is when your DB coach is recommending doing the LRT technique, once the boundary has been enforced. Now you monitor the results once you have have gone dark, split the finances, worked on a custody agreement, gotten legal counsel, etc. This all happens now. Your wife needs to feel the consequences. Don't rescue her.
M22,H45,W45 S21/18D12 Retain faith that you will prevail in the end, regardless of the difficulties and at the same time confront the most brutal facts of your current reality, whatever they might be.