The sun beat down on my shoulders as I walked home from school. I was tired and grumpy, but I knew I had to get home and finish my homework. As I turned the corner onto my street, I saw a group of kids playing in the park. They were laughing and having fun, and I felt a pang of loneliness.
I used to be one of those kids. I used to love playing outside with my friends. But now, I spend most of my time indoors, either doing homework or playing video games. I miss the...