I (15m) have a younger sister Katie (12f) and Katie is what my parents call "sensitive". Which means Katie cannot take constructive criticism and cannot be called out on her shit. If she does something wrong I'm supposed to tell my parents and let them handle it. They also complain at her teachers in school if any of them upset Katie. My mom and dad's families can't say anything either, even the adults. Everything has to go through them and nobody can even remind Katie to be careful because

it'll upset her. It means we don't see our family too much because nobody wants to deal with the crap.

Katie has hardly any friends and none who'll hang out with her outside of school because my parents would get on their case about being gentle with Katie.

Katie is a walking disaster and she knows it. She isn't careful. Maybe she has ADHD or dyspraxia, but she was never diagnosed. She has never been tested for anything. My parents just coddle her. She has broken stuff frequently. She'll also come into my room without knocking, which is meant to be a rule. She interrupts me if I'm doing something. She even took food off my plate before **while I was eating!!**

All that stuff has to go through my parents so they can handle it. I can't say anything. My parents have almost grounded me before because I told Katie to watch where she was going when she almost bumped into me. Mom screamed at her parents for telling Katie not to touch my grandma's expensive vase.

Last Saturday night my parents told me to babysit Katie and they were going to spend the night at a hotel to celebrate their anniversary. They left around 7 and came home around 11 the next morning. That night Katie went into my room while I was gaming and she was meant to be in bed and she broke one of my game disks. It's an older game and it was a birthday gift from our grandparents. I just went to the bathroom. I came out and she was messing with more of my stuff. I asked her what she was

doing, saw she broke the disk and told her to stop touching things and get out of my room. I was mad. She left my room crying. I didn't check on her or talk to her until our parents came home. They were furious with me when they heard what happened and said I should have waited for them and been gentle with Katie. They tried to make me apologize and I refused and I have refused to apologize for making her cry all week. My parents told me I know better.

AITA?