It’s said that kissing is good for your health. According to research, a good pucker has a bundle of benefits. A study at Lafayette College showed that kissing allows your body to produce chemicals that reduce stress hormones. Plus, you can burn 2-3 calories a minute just by smooching. And who knew that when we kiss, we use 30 facial muscles? That helps your face to stay firm and tight, prevents baggy cheeks, and increases circulation. But if that’s not enough to inspire you, check out these legendary movie kisses—with bonus slides of the Most Memorable MTV Best Kiss Award Winners. Click the button to launch the gallery. Up next: Best Quotes from The Notebook