IIf she said she'd go to counseling with you then find a good one, make the appointment and hire the sitter.
To the OP, kml gives good advice here. I would add to it that you need to do your homework and make sure you find a MARRIAGE FRIENDLY counselor. I can not stress this enough.
M(53), W(54),D(19) M-23, T-25 Bomb Drop - Dec.23, 2017 Ring and Piecing since March 2018