Guys, What does it mean when your ex follows you on social media?

Anonymous
So me and my ex haven’t really been together long, maybe a couple months. We broke up after we got into a really heated argument. (No one cheated or anything like that) And after we broke up, I immediately blocked all of his accounts. And im pretty sure he knew that he was blocked. I recently unblocked him, like a week ago (bc i started to miss him lol) but I never reached out. And yesterday I see that he followed me so i followed him back. Its been a couple days and he hasn’t texted me since following me. He only watches my stories. I’m not sure what do to or what this means.
Guys, What does it mean when your ex follows you on social media?
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