[Serious] People who fought back against bullies, what caused it and how badly did the bully get hurt?

I was a the new kid in school. He was 6 feet, I was 5'6 at the time. He picked on me for an half a year. Everyone told him to stop but he wouldn't. He insulted me in front of the women in school as well. He tried to pantse me in front of everyone.

I was growing and was a gold-medalist inter school boxer representing my previous school (and promised not to use the sport for violence). I grew 4 inches.... came back after vacation and had a small mustache as well. He made fun of me again for my "baby mustache" and kicked me on my chest real hard. I was furious. I don't know what got over me but I RKO'd (like this) him. Sat on top his chest and kept punching his face (like this) till 4 kids held me back. No retaliation. Everything lasted 30-40 seconds. He was bleeding profusely and had a broken nose.

Filled with rage, I calmed myself down first. I realized what I had used my combat sport for. I apologized. I got him some water, gave him a towel, picked him up and took him to the infirmary - people stared in amusement and thought I was crazy when I helped. The nurse asked what happened and he was so ashamed that he said he fell - she didn't believe him but helped him with medicine for pain and bandages. He never messed with me again and even wing-manned when I liked someone. He stopped harassing people after that. Nobody messed with me either.

/r/AskReddit Thread