You answered well imo. I imagine you only bought time before it comes up again though. I would not lie to your kids but they don't need to really know.Not now anyway.
Good luck.
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