The balance of the frame - the way an actor is relating to the space in the frame - is the most important factor in helping the audience feel what the character is thinking.
I think that as a writer your responsibility is to search for and stir up the things that are in this world. There is violence in all of us, and beauty, and strength, and weakness. What's my job? To only write about the good and the beauty, or is it to write about all of it? That's my greater responsibility, to write about them as I see them and as they are.