He had never felt such shame and self-loathing. He closed the door to his room, and leaning against it, thought, what kind of monster have I become?
Rimmer's failings are down to his utter inability to leap the hurdle of his own self-loathing.
The longer it went on the more the deeply rooted self loathing got a footing in her soul.
While he is sometimes self-loathing and sometimes self-exalting, his adventures are far fetched enough to be interesting but not so far fetched that kids can't imagine themselves in Greg's shoes.
Sarah saw the self-loathing in his eyes, so didn't wait for an answer.