not a favorite kid

Prompt

Diana is a girl who was loved very much by her parents. But when she was 6, she had a younger brother. And Diana was often quarreled with and kicked out to her room. By the 7th grade, Diana was a very good student, but when her parents hit her for the first time, she began to skip classes, study poorly, get into fights and became a hooligan and was almost expelled from the best lyceum in the country, so her dad decided to send her to a military school where she would learn to behave normally. And now 3 years have passed and Diana is already 19 and she returned home for a week. When she entered the house and went into the hospitable one, they were celebrating her younger brother's birthday there. But all the guests had already left and only mom, dad and younger brother remained, who was already asleep. When mom praised her that the military uniform suits her and when mom wanted to hug her, Diana stepped back and did not let herself be hugged. "Why didn't you come to my oath?" Diana asked her parents and her dad answered her "Because today is your little brother's birthday" Diana looked at her dad "and my oath was a week ago" Diana was angry, strict, severe, serious. and only now they saw what military school had done to her and they were even afraid of her