Depending upon who the person is, you may consider expanding things a bit to better explain your reason of return. “H made a surprise announcement of wanting a divorce. We are currently separated.”
I would also add "How have you been?" to turn the convo away from you and back to them.
"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
