Why he blocked me after saying he likes me too much? Why was he so cruel? Will he come around?

I was talking with this guy for a long time. We were in a long distance situation and never met yet but always planned. He multiple times told me he liked me last time I confessed him that I like him as well. We had an kinda emotional talk. I've never felt this coming because we were good. Maybe I was too emotional for him. What do you guys think? Will he come around?
Why he blocked me after saying he likes me too much? Why was he so cruel? Will he come around?
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