You will have to experiment and try things out for yourself and you will not be sure of what you are doing. That's all right, you are feeling your way into the thing.
“I was at my best at a little past forty, when I was a professor at Oxford.”
“I don't mind doing interviews. I don't mind answering thoughtful questions. But I'm not thrilled about answering questions like, 'If you were being mugged, and you had a lightsaber in one pocket and a whip in the other, which would you use?'”