It is just called Continuing Legal Education. You can go to lectures, you can even listen to tapes on airplanes - they want you to stay current. So you do have to stay current to maintain your license even if you are not practicing.
I'm not gonna be bad at anything, and I want to actually be the best at anything I'm doing. So if I'm playing basketball, if I'm taking the SATs, like, there's a competitive spirit behind it. With production, it's the same thing.