So now that you asked her don't bring it up again. If she does, just politely refuse. (that'll get her thinking!) You want her to think you're doing fine without her. Eventually, you actually will be, and she might come back.
Think long term here. You just entered a marathon.
I think this is the correct route.
It creates a new dynamic along with curiosity about why not.
Ed
Me, 55 W, 36 T, 10 yrs S-9 M, 8 yrs 1st D-Day, 9-27-2009, With 1st bf, ea/pa 2nd D-Day, 12-5-2009, With her best friends bf, ea/pa W, AA relapse early 2009-Current W moved out 2-16-2012 New OM 5-2012