Do not get into telling him about your day, things going on, etc. Remember, and air of mystery is your friend.
This is seduction. It is a lot of work. Do the work.
Every interaction is a chance for seduction. Keep looking amazing every time you go out. Smell good. Appeal to his senses. Your attitude is "Too bad you can't have me. I am hot."
"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