This link between the worlds is an important element, so the focus is not on one world or the other, but on both, their interaction, and if there is a point for literature if reality is already so strange and wonderful, literature itself then shape reality. More
Satirical variant approach of “Honestly Speaking” a possible common preface to a lie thus avoiding its phrase in all communications, while parallel universes and eternal return the opposite occurs. Saying those words appears whatever stated prior (before those words) wasn't completely true. "Honestly Speaking" provokes considerable discussion from describing the word as manipulative suggesting it implies the speaker's honesty is actually in doubt.