User blog comment:Levifandom101/Is Levi a sociopath?/@comment-25621961-20141205141126

Well he couldn't really be a sociopath... His past was tough and whenever he sees his comrads die he probably goes through all the symptoms a grief and loss. I don't think he could be a sociopath - like you said, maybe he's seen enough to show that he just doesn't show any emotion.