What is the significance of snow in the story and how is it used to express the emotions and changes occurring in Craig’s life and in his mind?

How is Craig held back by the negative experiences of his childhood and how does being with Raina help him overcome his trauma?

Many of the events, emotions, and character traits in the novel are drawn rather than written about. How do the images enhance and supplement the reader’s understanding of the characters and the events of Craig’s adolescence?