My ex boyfriend blocked me on fb after 2 months of no contact?

My ex boyfriend broke up with me 2 months ago. He deleted me off social media right after the break up. 3 days ago he blocks me on fb. I haven't reached out to him ever since the break up neither he has msgd me. But he literally blocked me for no reason. Why did he do this? I am unable to understand this. Should I reach out to him? Or should I wait? I really miss him a lot.
My ex boyfriend blocked me on fb after 2 months of no contact?
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