Why would a guy unblock a girl on social media after he blocked her the same day and view her instagram story without saying a word. Is he confused?

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This happened with my now ex boyfriend that i dated for 11 hours lol. This guy is giving mixed signals. For the record I've kept myself busy and have been spending time with family and making myself happy since this but he ended up unblocking me late last night and viewed my Instagram story too. Why would someone do that?
Why would a guy unblock a girl on social media after he blocked her the same day and view her instagram story without saying a word. Is he confused?
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