Eric Schulze of Ask Smithsonian tells us, “More than half of men and woman in a survey said they’d called it quits because of a lame first kiss.” Obviously, kissing is important to human beings. But did you know it’s not romantic, but rather a behavior encoded in our genes? Only humans and a few primates kiss.
Why We Kiss
![A couple kissing.](https://zeroequalstwo.net/wp-content/uploads/2016/04/kissing-20160405.jpg)