Don’t feel stupid. NGS btw.
Do as much NC as you can now and after she moves out Back to ZERO communication.

It is likely she pics a third option, just to prepare you.
Also, Why would you pay full price?

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