His inability to understand other’s expressions and emotions are caused by his lack of comprehension that “…people do a lot of talking without using any words.” (Haddon 14). This disability traps Christopher in his daily routines and limited settings that he is familiar to and therefore is safe. Whenever Christopher is in a situation that he is unaccustomed to, he complains that “…there is too much information coming into [his] head from the outside world.” (Haddon 7), which exhibits his frightened feelings towards new environments and situations. However, throughout the novel, Christopher’s increase in confidence that originates from his desire to find out who killed Wellington becomes conspicuous. Although Christopher clearly states that he “…[does] not like strangers…” (Haddon 34), he understands that to be able to solve the mystery of Wellington’s murder by interviewing people who he is unfamiliar with around his block. This event demonstrates psychological development in Christopher as he puts himself into a situation that he knows will make him uncomfortable, “But if you are going to do detective work you have to be brave…” (Haddon 35). Christopher’s ambition to solve the murder of Wellington also alters the way his father, Ed Boone appears to his son and the reader. From the start of the novel, Ed Boone is shown to be a very loving and …show more content…
Christopher starts off as a child who believes that new environments and experiences are “…too complicated to work out…” (Haddon 14) and confines himself to boundaries that autism enables. Although this may be true, Christopher matures and develops as he investigates Wellington’s murder and the mystery of his mother which allows him to gain confidence and reassure himself that “…’[he] can do this,’ because [he] was doing really well.” (Haddon 172). In contrast, Ed’s love for Christopher remains constant throughout the novel, although his love and sense to protect Christopher consequently exposes Ed’s character. Ed starts off as a transparent character but then becomes more opaque as his lies are revealed. Christopher’s aspiration to become independent and Ed’s progressive unravel of character creates a mutualistic relationship in which both character’s emotionally and psychologically develop through the investigation of the murder of Wellington and journey between London and