Jack Gladney shops to metabolize death.
Not metaphorically—when he learns about the Airborne Toxic Event, he doesn't call a therapist or pray, he goes to the supermarket.
DeLillo makes this explicit: shopping is where Jack's existential panic finds syntax. The novel's most crucial scene isn't the chemical spill—it's Jack and his family navigating aisles at the supermarket called the Most Illuminated Place in the World, where fluorescent brightness creates what the text calls 'a kind of spiritual comfort.'
This is the prediction's architecture: consumption doesn't distract from existential dread, it *translates* dread into a language the body understands and can execute. The supermarket becomes the only space in American life where anxiety transforms into agency—pick item, place in cart, move forward. Every choice is a small victory against randomness.
Jack returns to the supermarket across the novel's span not because he wants things but because he needs the supermarket to want him back, to confirm through transaction that he exists, that his choices matter, that the world responds to his presence—and this is why his terror about Dylar, about death, about his son Wilder's autism funnels back to retail space, where his fear becomes manageable because it becomes purchasable.
Read the supermarket scene where Jack describes the 'Mylar and Styrofoam' aesthetic—roughly pages 36-40 in the paperback—and notice DeLillo never mentions a single price, only the visual and sensory experience of choice itself.
Don White's 'The Middle Distance: An Essay on Temporality in White Noise' (from the Bloom's Modern Critical Interpretations collection) argues DeLillo uses consumer space as a temporal technology—how the supermarket artificially suspends time, which explains why Jack returns to it whenever he confronts mortality.