How about a simple “no” ? You don’t owe her an explanation and there is no need for excuses .
You can see how your extremely unhealthy attachment to this extremely Unhealthy woman is detrimental to your kids, right? If you took all the emotional energy you put into that woman or saving the marriage and put that into yourself and your kids, then your kids will have have a fighting chance. If this keeps going on, this will be absolutely detrimental to your children
