If you find that a point cannot be made without narration, it is virtually certain that the point is unimportant to the story (which is to say, to 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"Based on a true story" is a come-on, the aesthetic equivalent of "no loan request refused." For, at best, the creator has fashioned a film based on his understanding of, interpretation of, and reduction of the report of an actual occurrence.
David Mamet