An old ex has blocked me on Instagram but uses a fake account to watch my stories every week?

My ex of 5 years blocked me on IG recently. I have gotten used to it because he had a weird pattern of blocking and unblocking me although we never messaged. Last summer he asked me anonymously why I had been drawing pictures of Jim because he thought they depicted us. He has been using a fake account to follow me on IG. I removed him as a follower however he’s still watching my stories. A few times he liked and unliked my pics. Is that some kind of obsession?

An old ex has blocked me on Instagram but uses a fake account to watch my stories every week?
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