People watch TV, go to movies or theater to be entertained. The truth is, everyday life can be rather mundane and boring. Imagine watching a film of somebody going through their typical day. You’d probably fall asleep before the first 10 minutes were up. The fact of the matter is, people’s lives are dull, at least most people’s.
This brings us to the problem of entertainment, especially in the movie or TV business and most especially in the theater. We need our entertainment to be just that, entertaining, yet at the same time we need it to be based in reality. If you were watching a cops and robbers TV show and suddenly you saw your favorite police officer pull out a skate board and chase the criminal down brandishing a laser gun, well, your reality would pretty much be shot to heck and the credibility of the show itself would be destroyed. The shows must be based in reality and yet must still be entertaining. This is a very hard line to walk.
Actors have the hardest job when it comes to bringing reality to a part without putting an audience to sleep. The above example is extreme but the problems can even occur with more subtle...