AITA for blowing up at my sister?

I (18f) have a sister (21f) let’s call her L. So me L our friend who’s basically an adopted sister (15f) and my brother (27m) were all sat on my mums bed messing about laughing and joking. We all playfully bully each other as siblings do. And it is playfully. Everyone makes sure of it. Anyway me my mum and L all smoke. So I asked my mum if she wanted to go for a cigarette and I jokingly said L you stay here. Again it was very obvious I was joking and she laughed. I stood up and was about to step off the bed she kicked me legs and I nearly fell. My mum thankfully caught me. This is probably a good time to mention I have a bad back. I have my own horse as does my sister and mum. I really suffer with my back. L knows this as we shared a room for many many years. She also has hurt her knee and will not stop complaining about it. So everyone is mindful off it. Anyway when I got my footing back I turned around and snapped. I told her “what the fuck are you doing?! You took it to far you could’ve made me really hurt myself” she she said “stop being dramatic” still finding it amusing despite the fact I was not laughing or showing any indication or it being funny to me. I snapped again and said “if I had done that to you, you would’ve been sobbing on the floor so do not do it to me” and walked off. Everyone was laughing about it but I did not find it funny at all. There is a built in wardrobe next to the bed and I nearly fell into it. Everyone else finds it hilarious but I do not. Im a fairly small girl as well if that matters. My mums torn between me letting it go and being mad at L. So am I the ahole for blowing up at my sister?

11 thoughts on “AITA for blowing up at my sister?”
  1. I think if you have a bad back, dont ride a horse or at least dont complain that ur sister could hurt you with a trip when infact riding a horse is much worse. Also what the actual fuck? 18,21 acting like a bunch of immature ass holes. I think you all need to get your own places and let your mum fucking chill honestly

    1. Horses is what I love. It’s my favourite thing in the world and nothing will ever make me give it up. If being in pain is the price I have to pay for the pure happiness and therapy it gives me then it’s a price I’m willing to pay. The reason it annoyed me so much because she would’ve screamed the house down if it had happened to her but was happy to do it to me. My family dynamic is like that. We’re mature when we need to be but we all happily mess about because like everyone we’ve had our share of bad stuff happen and it keeps us going. My mum is like us. She messes about with us kids and we 100% respect her. If she says enough then it’s enough. But she doesn’t mind us joking around and joins in with us

      1. Well based on what you say i think you over reacted, i also dont think your sister realised the effect her kick could of done at the time. You was all messing,all excited and playfull and people do silly things in that state of mind. So in all honesty i think altho you was upsetand seend the danger in your sisters actions i dont think at the time she did. You need to appoligise for going over the top,and im pretty sure she will appoligise for the kick as she would of know afterwards how she could of hurt you. Appoligise and move on

  2. NTA. I deal with chronic low back pain and that would’ve pissed me right the fuck off. Wait until you’ve calmed down and then talk to your sister one on one. It sounds like you two have a good relationship overall

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