This is the badminton court I play every week to improve my health and strength. I remember when I was a kid, I was a nerdy guy who only stayed at home and stared at my cellphone on some good for nothing. One day, my dad told me that “Do you want to try some sports? I have a coach can teach you.” Inspired by him, I decided to give it a try, and it changed my whole life.

I used to be an introvert and skinny guy at school. When I played sports more often, I started to sense the…