When I was younger, stickers were my everything. If I ever got my hands on a sheet, every flat surface within a ten-foot radius was fair game. My notebooks, my water bottle, my walls, even my desk –...

If my 12-year-old self—a semi-professional player of Hong Kong Youth Badminton Team—knew that she could no longer play badminton on a daily basis, and had to become an amateur player in the United...