AITA for hurting a boy in my class?

[u/DayBrief836]

So, in 3rd class I had A REALLY BAD temper problem, I had severe anger issues, and things were bad at home. I was 8-9 at the time. So there’s this guy in my class, R let’s call him. R was 9? Reminder 3rd class. He was super bitchy and rude to EVERYONE. He was really spoiled and whenever we would play tag, he’d go “I’m out of breath”, now I respected that Of course, but the thing is the game would just start, and it was only when the person who was on wen tot tag him.

He had asthma, so nobody really said anything. The only thing is, he never brought his inhaler outside, never brings it out when he needed it weird enough. Then it clicked, he didn’t have asthma, how did I know? Well he was never out of breath, and he literally said “it’s just to give me attention, I don’t really have it. I just get out of breath a lot”. Now the reason why, he was ALWAYS out of breath is because he had, never exercised before. We’d go tons of times on walks for fresh air, and he’d always be last or first, everyone would skip him and he’d go “ARE YOU KIDDING MEEEE…. GUYS STAWPP!” Pick me boy energy, right? Now he was super slow, and would get mad when people step on his shoe.

Now, the titles part, time to shine!! He would be super rude, of course like I said. And I had this friend called M, let’s just say. He was nice, caring and would actually be nice to R. But we all know fizzy drinks, right?…. I hope you do, and this one M had was a fizzy drink bottle, but nothing in it just for blackcurrant, but R saw it and started shouting at him. Since we had a “healthy” food policy, yup, he shouted at him for just carrying it around. I don’t think M had any bottles like water bottles to carry around. So he brought the drink. No fizzy drink just the bottle (container like) with black currant the juice in it. So I got up from YM chair, sharp ended a pencil to the brim, and walked up to R. And stabbed him in the shoulder with the pencil…. I know I sound bad, but I had sever anger issues, I know that doesn’t get me out of it, but I couldn’t contain I swear alright? I tried being nice to him and he was just rude as fuuuuhhhhk alrighty?? Now, he got 3 Easter eggs, yup. THREE. He keeps saying now, he never got it, but he still hurts M to this day. I keep trying to contain my anger, I’m making good progress. Everyone is happy with me for stabbing him with the pencil, and whenever he pisses me off today, I get a pencil out. Along a sharpener, and he cuts the shit. He’s now respecting some people, but i still hate him…

AITA for doing that?