In the beginning of The Kite Runner, Amir and Hassan are walking to see a movie. A group of soldiers, seeing Hassan (who is a member of the lower-class Hazara), begin to mock him and his mother, who left his father when he was a baby. After they insult her with obscenities and gestures, Amir comforts Hassan:
Later, in the dark, after the movie had started, I heard Hassan next to me, croaking. Tears were sliding down his cheeks. I reached across my seat, slung my arm around him, pulled him close. He rested his head on my shoulder. "He took you for someone else," I whispered.
(Hosseini, The Kite Runner, Google Books)
This comes before Amir's betrayal of their friendship, and long before Amir discovers that Hassan is actually his half-brother. With his words, Amir shows that he was capable of love for family above class structure and popularity, but as an emotional and selfish child, Amir proves unable to sacrifice his own safety to help Hassan when he needed it the most.
Amir and Hassan seem to have a "best friend" type relationship. The two boys, Hassan and Amir, are main characters in the book titled, The Kite Runner. The two boys have a relationship that is significantly different compared to most. There are many different facets that distinguish the relationship the boys possess. The boys do write their names in a pomegranate tree as the "sultans of Kabul" (Kite Runner 27) but, their friendship is not strong and it is one sided. Hassan has love for Amir. He loves him like a brother. Hassan is exceedingly loyal to Amir. The relationship between the two boys is emotionally wearing and rather gloomy for the most part. The main reason for their complicated relationship is the fact that Amir is Pashtun, and Hassan is Hazara. The Afghan society places Hassan lower than Amir. Hassan is Amir's servant. The placement of Hassan in the Afghan society disenables Amir from becoming Hassan's true friend.