Castle is not bad in Shatter Me. He is one of the best characters in the book. He is a great friend to Juliette and helps her through some of her toughest moments. Another thing: He is always there for her when she needs him and provides her with much-needed support. Castle is an integral part of the story and plays a major role in Juliette’s journey to find herself. He is a valuable member of the team and deserves recognition for all his hard work.