How To Deal With The Grandfather Paradox

Stephen King dismisses the "grandfather paradox" and other meta-logical nonsense (such as the craziness developed in the great but painful to untangle film Primer . . . if you want to read about time travel paradoxes, check out Chuck Klosterman's essay) because King has bigger fish to fry in new fantastic new novel 11/22/63 . . . such as what would happen to the universe if JFK had never been assassinated, and how far would a man go to prevent this event . . . so when the narrator is debating whether to become embroiled in the time travel plot, and he asks Al-- the diner owner who has access to the time portal which sends whoever walks through it back to the same sunny day in September of 1958 -- "Yeah, but what if you went back and killed your own grandfather?" Al simply stares at him, baffled, and replies, "Why the fuck would you do that?"