What are the motifs in What My Girlfriend Doesn't Know by Sonya Sones?

One of the primary recurring ideas that run throughout the novel is growing up and coming of age, even against adversity, such as being teased and bullied at school. Robin struggles with the fact that his coming of age includes having his first girlfriend and the hormones of going through puberty. Sophie struggles with her love for Robin and how far she should go with him sexually.