Developing good habits as a trumpet student is far easier than trying to fix bad habits later. It's easy to pursue the exciting stuff about playing trumpet—Higher! Faster! Louder!—but here are some key issues that often get overlooked as we're developing our skills.
If you are a student, these are little goldmines of information that, if you pursue them now while you're young on the horn, can take you a long way. There is, of course, much more you can and should be doing. Teachers and peers can be a great benefit to you—take every advantage and ask every question. Enjoy the process!