How is the theme of loss explored in the novel, Bend Sinister?

By using the first and third person points of view throughout the novel, the author explores and enacts the ways in which his main character Adam Krug experiences and confronts loss. At the start of the novel, Krug is stuck in the hospital with his wife, attempting to reconcile himself with her impending death. The knowledge of his wife's coming death complicates Krug's state of mind. Instead of describing his emotions, Krug describes his surroundings, illustrating his reluctance to believe that he will soon have to face a world without Olga.