A lot of change happens throughout The Kite Runner, by Khaled Hosseini, particularly to the protagonist, Amir. His childhood friend and half-brother, Hassan, experiences few changes, but certainly both are forced to adapt to many changing circumstances in their lives.
Amir's changes are many. He grows up as a young child who longs for his father's love and approval but never feels as if he gets it from Baba. He is inexplicably jealous of Hassan's relationship with Baba, and of course later he discovers his true relationship with Hassan which explains everything. Amir's and Hassan's friendship is distinctly lopsided, with Hassan doing all the compromising and routinely accepting the abuse Amir gives him. Amir proves that he is not a friend to Hassan when he sees Hassan being horribly and violently abused by the perverted bully Assef but does nothing to stop it. He says:
I actually aspired to cowardice, because the alternative, the real reason I was running, was that Assef...
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