You've probably kissed a boy or two before, but how much do you actually know about the act? For instance, did you know that you engage more than a dozen facial muscles each and every time you lock lips with a special someone?
Here's another tidbit: Scientifically, men prefer women with fuller, redder lips. That means you shouldn't hesitate to buy dark lipstick and wear it around your crush. To learn a little bit more about kissing, watch the video down below:
Now you know a lot more about your own body! What other facts can you share about kissing?