Oh, yes. Osculation, the scientific term for kissing, in many ways says everything about your compatibility with your mate and the health of your relationship. We asked scientist and journalist Sheril Kirshenbaum, author of the new book, The Science of Kissing: What Our Lips Are Telling Us, to tackle some of your top questions when it comes to smooching. Curious to know what happens inside our brains and bodies when we do it? Wondering whether a kiss means more to you than to your guy, or whether you can make your make-out session even better? Read on.