I also had a similar experience when I was in High School. One of my classmates who would usually bully my classmates tried to bully me. He challenged me for a karate showdown in our classroom. I showed him who's the boss by using some Muay Thai on him and from that time on , he never tried to challenge me again.When I became his senior officer in the Citizen Army Training, I would usually punish him without me feeling afraid and hesitant.I know I can take him any time.

It's nice to be tested and passed it......