First notebook entry: Introducing myself

Hi, I am Jocelyn. I am excited about joining this website. (What you had before was misworded but could still be understood) English is a super useful language, it plays a key role in my studies, work and others areas in my life right now  (The reader already knows you are talking about right now. No need to say it again. It makes the sentence to wordy) . If I want to enjoy my life, I need to know how to use English first.