I would tell her "Considering where we are with our marriage right now, I don't feel the need to tell you everywhere I'm going, and with whom. Please stop interrogating me all the time -- it's annoying, and -- frankly -- very unattractive."
"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