Christopher lacks the ability to understand people and what goes inside their minds thus he has difficulty with social interaction; he tends to keep to himself and does not trust many people. However the people he does trust are very important to him and play a major role in his life, and in the novel. This trait of Christopher developed as a child, and was recognized by his teacher, Julie, “That was because when I was little I didn't understand about other people having minds. And Julie said to Mother and Father that I would always find this very difficult.” (Haddon 116).
Julie, had said this to Christopher and his parents when he was a young. As a child Christopher could not understand that other people had minds, he felt different and separate from others, and because of this, he would avoid having social interaction with