A new study, using facial recognition and emotion tracking, found out just how happy pizza makes us. Turns out, ANTICIPATING pizza makes us happier than actually eating it. People became 18% happier than average when they saw a pizza go into the oven, 24% happier when they could smell it cooking, and 20% happier when it was taken out of the oven. However, when they took their first bite, it only made them 11% happier. (Photo: Buzzfeed)