why do thrillers, thrive

• consists of emotional disturbances called 'thrills'.
• in order to appreciate what the characters on the stage are going through, we have to project ourselves into there consciousness.
  
• in this there is no harm, because in our subconscious we are aware that we are safe, sitting in a armchair, watching a screen.
  
• the cinema can leave the spectator with a subconscious assurance of absolute safety, and yet surprise his imagination into playing tricks on him.
• the type of in which the audience seems to participate is the type in which some character has won the audience sympathy is involved in danger.