text: The positive effect that the FACS has on the students is another reason why it will be vaulable in classrooms. In the passage it says," According to Facial Feedback Theory of Emotion, moving your facial muscles not only expreess emotions, but also may even help produce them. ("Putting on a happy face" actually works!)". This proves that it has been proven by experts that this system could help spread positive vibes. "Whoever thought that making faces could receal so much about the science of emotions!".