Before you try to become a teacher you should invest some time to figure out why you want to be a teacher.
That being a teacher is a job 24/7.
That being able to adapt to the needs of all your students is crucial in becoming a great teacher.
You should always look for ways to increase your knowledge.
That you should listen to your students and try to grow from them. Just because they aren't as old as you does not mean they have nothing to offer you.
You should want all your students to succeed.