<span>D It is a moment of realization.
An epiphany is a moment when someone realizes something in an instant. In the passage it says that "Feld had a sudden insight." The sudden insight is his moment of realization that Sobel had made it clear to Miriam that he loves her.</span>
A characteristic of informal writing is slang, abbreviations, short hand, or lack of punctuation.
What are you asking? i dont see a full question please clarify
Are you asking if there is a mistake in how it's stated? and if it's an opinion i agree one can't just the kid need's to remember to be moderate.