text: Students wouldnt like to go to school knowing that almost everyday that there going to check their emotions. Everyday there are people that go to school sad,depressed,happy, and exited and those people dont wat to tell other people how they feel like. Even if those people try to fake smile theey wouldn't get away without it because in the article it say's "In a false smile,the mouth is streched sideways using zygomatic major and a different muscle,the risorius. To an expert,faces don't lie; these muscle clues are sometimes used to spot when a "smiling" politician or celebrity isn't being truthful. So this means that it can detect a fake smile because of our face muscle called orbicularis pars palpabraeus.