Have you initiated sex with her? I got the impression that you were waiting on her to do that. If she has shown remorse and she is making some positive moves, are you sure you aren't still in the position of being the hurt LBH and expecting her to "prove" something to you? IDK, I'm just asking.
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!