You know, young actors say all the time, 'Should I use my own life experience?' And my response is, 'What choice do you have?'
David MametConsider: for all the gobbledegook [film studio] executives spout about backstory, all that we, the audience, want to know is what happens next. That's the only thing that's going on. . . . Character is nothing other than action, and character-driven means The plot stinks, and you'd better hope the star is popular enough to open the movie in spite of it.
David Mamet