Hi MaryPoppins12345

It sounds tough to go through that. If you've let him know you're open to reconnecting, it may be best to leave it at that and give him more time to process everything. Take some time for yourself and do things you enjoy.
But now I wonder if I should have been more direct, communicate better? The blaming game with myself now starts.
Be gentle with yourself. As you've recognized, you can do A or B but it can still be a trigger to him. As long as you keep your integrity, don't dwell on "if I did this / didn't ...". It may help your sleep, depression, anxiety, and overall mental health. Reading the books
Stop Walking on Eggshells and
Stop Caretaking the Borderline or Narcissist may help you develop healthier relationship patterns which are common for many of us here who have chosen to stay with a BPD loved one.
Hope things go well. Let us know if any questions or concerns.