Be firm and unwavering... You do not want to be perceived as the boy who cried wolf.

If this causes her to move towards you and your M, you are going to have to see some real action on her part before considering changing your mind (if that's even a possibility at this point).

M 43
X 38
T 13
W moves out of home 11/2010
Roller coaster from hell 2/2011-5/2012
I request divorce 5/2012
W moves home 6/2012
Good time 7/2012 - 1/2015
I leave 3/2016
process of divorce