 The trick is to edit the transcript for clarity. That way an actor won't need to wrestle with how something was said, but you don't want to edit for clarity too much because you won't end up with an accurate portrayal of how the character talks. And then there are the non-verbals, the sounds someone makes in and around words. Many of those don't show up in a transcript, and Mary wanted them included. Take this moment from the actor playing the mother. When did you learn that your son was gay?