It could very well turn the tide.

My question is, do you sense any desire from her to keep things going as they are? Is she comfortable with the status quo (in which case it defo needs a shake-up)? Does she talk about D?

I ask because - well, just be prepared to go it alone for a while. My bet is that after a bit of time, she will realise what she had.

Use your time to practice assertiveness.