beta
It is possible that she has been abuse mentally or physically or both by his brother but what if it just her overthinking. I still fully believe their parents is not a good parent and favour her brother. However, her brother doesn't seem to be petty but more like clueless. She can't remember even single thing bad her brother do but only remember what she see of him. She is someone who give hasty judgement of people, dont forget that. She assume a lot of stuff as well and overcomplicate stuff. She might be insecure and plus her parent reminding her that she is not good enough make her even more insecure. Her brother probably try to be close to her or thought she probably just like that. Awkward. Also she is talented but dumb about it. Maybe it just in family to be humble or dumb about their own achievement.