When I played soccer, I used to feel indestructible. There was no challenge I could not tackle, literally or figuratively. As I got older, I got better and I started to play at a higher level with girls who were better than me.But then, as I grew into my own body and the stakes got higher, my confidence plummeted. Making mistakes became something to fear rather than see as an opportunity for growth. My previous invincibility became an intense fear of failure.Even in low stress situations, playing with the b ...