Remembering that you are (or can and should) there to teach them more than the given subject; you are there to coach them in life. [You may spend more time with your students than their parents do….you become a saragot.]
Realizing that most kids go around with their heart in their hands, looking for someone to give it to; they will be yours, if you really care.
Reaping what you sow. You and your students will gain as much as you put into it. If all you give is 7–3, that’s all you’ll get. If you give your heart and soul, you’ll get the same from your students.