In the back of her mind, Sherri thought about death
 ceaselessly. Everything else, all people, objects and processes had
 become reduced to the status of shadows. Worse yet, when she
 contemplated other people she contemplated the injustice of the
 universe. They did not have cancer. This meant that, psychologically
 speaking, they were immortal. This was unfair. Everyone had conspired
 to rob her of her youth, her happiness and eventually her life; in
 place of those, everyone else had piled infinite pain on her, and
 probably they secretly enjoyed it. "Enjoying themselves" and
 "enjoying it" amounted to the same evil thing. Sherri, therefore, had
 motivation for wishing that the whole world would go to hell in a
 handbasket.
            Valis, Philip K. Dick