You know at the end of the day the only thing you have is trust and honor in this world. That's all you have. All you have is your reputation built on trust and your personal honor. When you don't have that anymore well you know there you go. Trust was broken.
As an actor you have to have a strong vivid imagination as you're working and when the camera's rolling but there's certainly a part of you that is aware of real life that you're making a movie.