Which one of the DBing rules were you following? Who did you invite after that? Did they accept? If no one, did you go anyway?
I am sure I know the answers. None. No one. No.
Flip the script. Make a decision to do something. The more exciting the better. Plan on doing it alone. Be excited about it. Be mysterious is one of the DBing tools. Do not be boring. She thinks she knows you. She left that guy. Prove her wrong, she does not know you at all. The new you should be a shinny new penny. Enjoy the ride.
"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