This is frustating?

So long story short. I met this guy 3 times. Any way casual dating. He dissapared for few week. And I tought he just wanted to end it. So I texted him saying how was feeling about that. He reply. Then I tried to reach out few times and just off and on was replying. Keep saying that he had no room for this in his life because he is busy. So I said to him that I felt he only wanted nights stands. Guess what , he got mad that I said that. I tried to apologize and In a very rude way he said he had a personal problem and he wanted to be left alone right now. So I did. Few days later he deleted me from facebook. What I should think about this? It is over? What it is his problem?
This is frustating?
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