The main reason he avoids relationships isn't because he hates people. In fact, it's quite the opposite. It's because he realizes how easily he gets attached to people and how close he can get to them that makes him want to avoid those relationships, because one day, those relationships end, and all you're left with is pain and emptiness.
You realize this is still textbook "emo", right? He does get better, but still!
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From his looks Magus is Macho Man Randy Savage as an anime zombie. The black wind howls, and one of you will snap into a Slim Jim ooh yeeeah! -sonicblastpunch