The narrator observes Jeremy's peculiar behavior, noting that he spends excessive time conversing with a plastic device. While the narrator finds this odd, they accept it as a personal quirk. This acceptance of eccentricity is juxtaposed with the narrator's own strange hobby of hunting and eating rats, which Jeremy ultimately condemns. This introduces the tension between their differing tolerances for unusual habits.
In this dynamic, the narrator reflects on their contrasting personalities, illustrating how what one person finds normal, another might see as unacceptable. Jeremy's criticism puts a halt to the narrator's rat-hunting pastime, suggesting a boundary in their friendship that highlights the differences in their behavior and interests. It paints a vivid picture of how individuals navigate their unique quirks within interpersonal relationships.