I am so confused right now. Did this actually mean something and she was testing me or was this hormones and just meaningless sex?
The truth is you and you W had sex. Everything else is just your story. Best thing to do is to get into the moment, enjoy it, and build good memories. Do not assign any meaning to it (this is harder than you would think). If you can't do this, assign a positive meaning to it: It means your W still finds something about you sexually attractive. Your story, your meaning.
"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