What happens when the world ends but the people don’t die all at once?

Borrowed The Road from the library.

He remembered waking once on such a night to the clatter of crabs in the pan where he’d left steakbones from the night before. Faint deep coals of the driftwood fire pulsing in the onshore wind. Lying under such a myriad of stars. The seas’ black horizon. He rose and walked out and stood barefoot in the sand and watched the pale surf appear all down the shore and roll and crash and darken again. When he went back to the fire he knelt and smoothed her hair as she slept and he said if he were God he would have made the world just so and no different.

p.185.

Not my genre generally. For how wildly popular he is I’ve never read any Cormac McCarthy before this.