<h3>Use physiology to explain emotions. Very characteristic films, especially the previous small part, . It's like a documentary, like a teaching film, and then it starts to use the plot to prove the theory. Interestingly, each character corresponds to an early movie star, echoing the plot of the film through the film clips played by those movie stars. Because the first part of the story is not strong, many people may give up, but the movie is not only a feature film. </h3>