The Question and Answer section for The Road is a great resource to ask questions, find answers, and discuss the novel.
The man is trying to hold onto the good memories of their life before the crisis...... he would rather carry those memories than the horrific reality of their existence in the aftermath of desolation. The death, abandonment, and destruction.
Sorry, I can't plot Joseph Campbell's hero's journey for you but you can interpret the boy through this lens. He certainly isn't the archetypal hero: this is a dead world and there is no real quest. It would be interesting to speculate though.
This depends on waht earlier passage you are referring to. I think there is a certain amount of alienation here. The man reflects on his own childhood of warmth and family. This is a childhood the boy never knew. The boy feels the calm in his...