Would that it were so simple.

Not gonna take too big a swing at guessing where things will end up next week, but there has to be something in the fact that "Unnamed Romance Novel" had two different endings; in the beach shack, Neighborhood Dog Killer reads Kevin "Volunteer" Harvey's version as:

Only Lovers Left Alive. But also: Secretary, Bull Durham, Fire.

you're so cool you're so cool you're so cool — arguably the most authentic love poem ever written.

Toadvine! (And maybe a little bit the tree?) I've always found Blood Meridian funnier than most people do, so referencing it seems especially fitting for the overall Preacher vibes. (And just for clarity's sake, the tree is not funny.)