I wanted to stop loving Nasrin, but how do you stop doing something you know you are supposed to do?”
-- Sahar, in narration (chapter 1)

Importance: The word choice is interesting in this quote. In Tehran, Sahar is not supposed to love another girl. However, she feels that loving Nasrin is something she is supposed to do. It feels natural to her.

I know this isn't much of a life we have here, but we still have to live it.
-- Ali (chapter 3)

Importance: Ali can see how depressed Sahar is about losing Nasrin to an arranged marriage. Ali is homosexual, and can tell that his cousin is, too. So, he is trying to cheer up Sahar. It seems that he has been through the same situation as her, and had to make this own decision. He probably had to teach this lesson to himself, and now he is teaching it to her so she does not have to go...