It's important to practice things you're not good at.
Jose wants to join the high school football team, but isn't so great at catching the ball.
Jose wants to go to the tryouts.
Jose tosses the ball around on a daily basis and when he goes to the tryout, he does very well.
Jose decides to just wing it when he goes to the tryout without trying to improve his skills beforehand.
Jose ends up making the team, and learns the value of practicing.
Jose doesn't end up making the team and feels disappointed in himself.