All I will add is that the sooner and better you stick to this plan, the sooner it will bring results. No guarantee, but this will make it last much shorter. Also, watch out for Tests. If she sees you detaching, many WW will test LBS to see if they still have power over you. Be prepared. Vent here.
The goal is reconciliation and I suggest you read about it. Anything less will bring you back here again.
M 53 W 54, M since 98 D15, D19 8/2013 discovered EA, W maintained contact with OM until 10/14 7/2/17 W said she wanted S, 7/25/17 moved out of MBR 12/17 W says moving out 5/18, W still in home.