Sorry man. Maybe sit down and have a coparenting discussion? "I know we are done, and I am ready to move on with D. However we need to discuss coparenting..........."
She has to come to grips with the fact that you are lifetime coparents, like it or not.
M(53), W(54),D(19) M-23, T-25 Bomb Drop - Dec.23, 2017 Ring and Piecing since March 2018
