This is really hurting you, and possibly growing into a "deal-breaker" where you end up so exhausted and overwhelmed that you leave her. Is it worse to say I can't do this anymore and leave her?
Or is it worse to say, I don't think your T is going well?

Maybe you could ask if you can go to a T session with her, and she with you???
My H came to T a few times, and although awkward it was helpful.