Why did my narcissistic ex block me out of nowhere when I already had him blocked for months?

strawberrybaby3
I want to start out by saying please, if you’re going to reply with “who cares, he’s your ex”, please don’t bother, your reply will be removed. He’s done a lot of damage to me and my coworkers (I work with him) and it takes time to heal, so yes, I still look at his social media out of habit but I do not contact him or let him know I’m looking.

Friday night I was on our business page (I run our workplace Instagram) and I noticed that our following count went down , and I just had a feeling because he’s so predictable, that he blocked our page , which he did, when he was just there an hour prior. I then checked my personal account, went into my blocked list where I’ve had him blocked for 4 months and he blocked me back all of a sudden.

I know for a fact he is not seeing anybody, has gained so much weight and looks awful so maybe because he has intense mood swings he was randomly thinking about me and got angry? He’s very obsessive and doesn’t get over situations quickly.

This was also after , if you’ve read my previous question, I confronted him about a weird fake account following our business page which we all knew was him. This was last week.

If that’s the reason, why such a delayed reaction? He’s the type to be impulsive and do things immediately so I don’t understand how one night he’s just sitting there and randomly decides to start blocking our business page and me.
Why did my narcissistic ex block me out of nowhere when I already had him blocked for months?
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