In an abandoned house the father opens a locked cellar and finds naked people held alive as food, some with limbs already amputated, who beg for rescue the father cannot give. The scene shows that in total scarcity other humans reorganize into a livestock economy, and that a parent may have to flee screaming victims to protect his own child rather than save them.
The father repeatedly frames his own survival as instrumental to the boy's: he states that if the boy were not alive he would want to die, and he structures every decision around the child's continuation. The book presents care for a dependent, not hope for the world, as the functioning engine that keeps a person moving through a situation that offers no recovery.
The father experiences his memories of the prior world as a danger, warning himself that recalling beauty and abundance makes the present unbearable and erodes the will to act. The narrative treats the past not as a comfort but as a seductive weight that the living must ration to keep functioning in a landscape where none of it can return.