Please Post the story So I can answer your question and put who character S is.
Do you have a question that needs to be answered?
Answer:
It serves as a moment of suspense to the readers
Explanation:
In the book, Faxon encounters a man Rainer who is covered in fur clothing and initially thinks he is there to harm him and is immediately suspicious, so this creates suspense for the readers as they don't know what will happen next.
If I hadn’t studied, i wouldn’t have passed exam
If I’d have taken the taxi, I wouldn’t have missed the plane
If I hadn’t eaten so much, I wouldn’t have felt sick