My guy friend has blocked me?

My guy friend has blocked me off the texting app for no fucking reason! He has no gf who might have forced him. I didn't do a shit to make him do so. I was amazed at how he could do it. I am really hurt. We used to be close friends. We are in two different colleges so we can't even bump in to each other or something. I really have no idea what I should do.
My guy friend has blocked me?
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