A stage play is basically a form of uber-schizophrenia. You split yourself into two minds - one being the protagonist and the other being the antagonist. The playwright also splits himself into two other minds: the mind of the writer and the mind of the audience.
David MametYou know, young actors say all the time, 'Should I use my own life experience?' And my response is, 'What choice do you have?'
David Mamet