She seems to be at ease with the difference. The mom needs help and the dad responds. The former 'oops I'm banging Italy' emotional confidant feels down in the dumps and the betrayed spouse rescues.
Maintain your boundaries. She is not your friend or your wife. She does not have your best interests at heart. She pulls your strings like a marionette.
Informing your lawyer of her machinations is a good thing.. with said wileyness aided by her lawyer.
The best revenge, if you feel the need for that word, is a life well lived.