How to be relaxed, natural and unpretentious when performing?

the eight-character mantra that an actor must do: die shameless and no one is watching. But it is not easy to really do it. You have to do your homework, be familiar with the whole script, and forget all the lines you have memorized. Only in the process of performance can you concentrate on listening to the lines of your opponent's actors, and then use your opponent's lines as your tips, so as to make expressions and eyes suitable for the role. 2. Judge all the lines of the role you play, that is, understand why he said this sentence in the play, so as to perform the tone suitable for the role. When all your homework is done enough, you will be familiar with every link like a few treasures. Will you still be nervous? Still use affectation?