I like LH's response. Here are other options:

"I am not sure"
"I do not know"

I have not read "never split the difference" but I bet it has some nuggets of gold in there.

"What is best for my kids is best for me"
Amor Fati
Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712