CGI is done after the film is done. It's through the computer. Most of the film is not computer-generated special effects. Most of it is that creature that is in the room with you.
“The point is to change one's life. The point is not to give some vent to the emotions that have been destroying one; the point is so to act that one can master them now.”
“There are a lot of times that if a detail in a scene or a beat, feels unnatural, they'll allow me to explore another direction to go until we're all comfortable with what we are doing.”