Does my ex still have feelings?

I knew this guy since high school and 14 years later we began dating. Unfortunately we didn’t last long but I fell for him. Once we broke up he quickly replaced me within a week or two then they broke up after two months. He texted me one night but blocked me before I could even reply. I recently found out that he moved across the street from me and is now dating another woman which seems to be getting serious. I tried to contact him and he responds but he’s very short and direct. I keep seeing him during outings now that we are basically neighbors so it’s hard to move on from this because I feel like I can’t get away from this. It’s not easy. Any advice?

Does my ex still have feelings?
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