Why is Amal reluctant to wear the hijab?

This question is referring to the novel written by Randa Abdel-Fattah which is called ''Does My Head Look Big in This''.

Amal, the main character of the story is suffering from Islamophobic views and discrimination. She is also going through her teenage years when she and her friends are going through their insecurities and they are facing many societal norms.

She thinks that the world won't be good to her if she is wearing her hijab but at the end of the story, she is becoming more secure in herself and her religion.