I am a girl and I beat up older my brother
As we were children, my brother would be stronger than me and could overpower me and often bullied me. But now I practice karate since I was 6, and I am a brown belt. What's more, I go to the gym regularly and I always do some kind of sport. Now I am stronger and he knows it. The other day he was in his room with his girlfriend, and I could hear them. So I decided that was the right moment to humiliate him. As he came out I provoked him, we started to argue and fight in front of his gf, but I was prepared, and I managed to beat him. He apologised right there and then, I even took his jacket and his gf was even giggling. Worth it!