Kissing indeed is an act that all of us have indulged in once. From showing affection to someone to cosseting in an intimate moment kissing has always played an important role in expressing feelings. It is an unspoken language of love and is used freely by all. However, while kissing someone we do not realize how important this act has been in the books of the world. From scientists to researchers to common people and much more every person had a different theory being this act of expressing love. Here are a few facts that you might not be aware of kissing before:
1.Human is the only creature that has lips pursed outside. The only creature with unique everted lips.