I think, first of all, you need to love what you're doing, and then this helps in the comedian for its part in everything-but the moment you enjoy what you're doing, you try to express yourself, to find your way, and every time is different, of course.
“Without qualification, I am grateful to and have the highest regard and respect for all of the wonderful people on 'Two and Half Men' with whom I have worked and over the past ten years who have become an extension of my family.”