You really don't need much more than DR and what Job and Ovr posted.
Be consistent. Change yourself for real.
Read about attraction.
Sound like you should join AA.
How is work?

I say take the year she mentioned for yourself and to DB.
Be ready if she approaches you but don't approach her until then, if at all.

Me: 34
Stbxw: 30
D:5 D:3
Mini bd: May/June 2019
Married: Aug 2019
BD: 6th Dec 2019
OM Confirmed: Feb 2020
March 2020: I filed for D
Waiting for D to be finalized and W to move out end of January 2021