1. He was a humilliated boy because the woman clerk he and his friend had bought from,treated him like a thief,even though she was the one who broke the disk,and she also forgot to scan the second disk.
2. The cause is that people treat him like a brat,instead of treating him equally,like he does.
3. The situation is that,the woman clerk forgot to scan the second disk,so,she quickly snatched it from the ground,but it broke because it hit the ground too hard, and then she threw it back in the bag. When they asked for a refund,she threatened them with the police.