text: You can make new friends,and find people who have the same interest as you. Who doesn't want to make new friends, and making a new best friend who you can play soccer with because you both like soccer. If you never participated then you would've never known that he/she liked soccer. You could practice together and it will just be fun this is why you should participate in a extracurricular activity. You could meet new people and it will overall just be fun.