The likely diagnosis would be depression. Depression can make you feel irritable, like how Tony feels. For instance, he went to his sister's room after his sister annoyed him, and he threw her dolls on the ground. People living with depression lose interest in things they used to enjoy; for example, Tony has a difficulty focusing on reading, which he previously enjoyed. Depression can often lead you to isolate one from family and friends. Tony does not talk about how he feels with his mother, and gets irritated when she asks. He also wants to stop playing soccer. Depression can lead to having a hard time concentrating, like Tony having difficulty focusing on reading. One with depression might also eat and sleep less than usual, for example,
