When we're on set we kind of joke around and when we're rehearsing we change up the scenes and make each other laugh. We lighten up the mood. The blooper reel is going to be amazing on 'New Moon.'
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.
