Why did ex tell me to leave him alone but let me refollow him?

My ex and I broke up almost 2 weeks ago and I gave him a letter basically asking to give us another chance. He texted back he understood what I was saying but he made up his mind and wants to be left alone. I said sorry and he said it's ok. I unfollowed him on insta and snapchat but about a week later refollowed him. He let me do this and even watches my stories. I don't understand why he would let me follow him if he wants to be left alone.

Why did ex tell me to leave him alone but let me refollow him?
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