At another moment in the novel, the narrator writes: 'The time which we have at our disposal each day is elastic.
Thus, the narrator has written himself out of poverty and is prepared to find Charlotte to bring her back to France.
The narrator then goes and writes a short story.
"In all honesty, I don't find the zombies any worse than/most everybody else was," his beleaguered narrator writes.
On discovering the homeless girl in her son's playhouse, the narrator writes:
Pat accepts his marriage proposal, but adds the stipulation that for every anniversary, the narrator must write her another poem.
Furthermore, the narrator doesn't hear his own accent anyway, and so would never write it that way.
The narrator would write: "I never did figure out why in heaven's name a good old boy like that went crazy and started in killing folks."
So, contrary to her initial refusal, the narrator has indeed written Rouenna's story.
Defense of a thesis: the narrators write their works approaching reality from their moral conception.