He doesn't trust people because he knows they are all the same. Everyone cares about their own survival and nothing else, just like him. Since he is more than willing to kill for it, so are they. After all, he has endured through all these years, leading him to be alone, it was the only conclusion that made sense.
Joe Reyes, Aftermath
alone, dystopian, dystopian-fiction, endured, endured-hardships, kill, kill-or-be-killed, loner, no-trust, sameness, survival, war