I'm not sure what the author really wants to tell me. Is it a reflection of himself, or a review of a book, a advert of an author, I lost interest as he lost in

I'm not sure what the author really wants to tell me. Is it a reflection of himself, or a review of a book, a advert of an author, I lost interest as he lost interest while reading J R. Perhaps everything worth telling had been told already for that moment.