Titanic would be much less dramatic if right as the ship was going down, DiCaprio looked into the camera and assured the audience that what was happening was entirely performance and he was not in any real danger. There are certain expectations we have about film and art that we do not want to be questioned. One of which is we don’t want the fake characters to acknowledge they are a fake person in a make-believe reality. But what happens when real people are unsure if they are playing a character or themselves? What happens when we lose track of the border that separates real from fake?