Everybody uses mime and gesture in real life, though we don't realize it. It's very useful as a performance technique, though it can be boring to watch on its own.
“I think that the young people today feel a tremendous sense of responsibility to their brothers and sisters because of the sacrifices that most families make to send their children to college.”
“I, Alexander B. Campbell, make this statement of the cause of my death to relieve the coroner of the necessity of an inquest, and also let my friends know the motive that led me to take my own life.”