Answer:
on brainly : press the + sign on there profile.
When we strive to help other sometimes we relize how it can benifit us thus it brings out the best in us. It matters because it can teach you an important lesson about life. It teaches you to act the way you tell (or believe) others to act.
(sorry for my spelling)
If it’s before the coma it’s a phrase, if it’s the one after it’s an independent clause
J.K. Rowling wrote the Harry Potter series <3