I would have said it was no thanks and that You would like to take care of it with the kids (if they are not too old to be interested).

I think you are doing great by the way.

R 25 years
M 14 years
S11 & S13
Working on it alone since Oct 2014
M in trouble a lot earlier (~2 years)
Feb 2016. 1st R chat in a yr.
Next R chat Aug'17
Still together