lola...sounds like he might think since OW is soon to be out of the picture; that you guys are going to pick right back as a couple.
It appears he is a little uneasy about YOUR freedom...he is probably wondering what you're doing since you seem to be in no hurry to talk with him. That is why you don't jump at the phone every chance he calls or texts.
I think your response is fine. But if he was baiting you; you bit. If he doesn't respond because he's angry; well that his passive aggressive personality.
Why do we all try to save our M's? Because we are the ones who value M.