Nobody understands just how kissing came into being, whether it ended up being instinctive or learned behavior, yet its impact is difficult to overstate.

Nobody understands just how kissing came into being, whether it ended up being instinctive or learned behavior, yet its impact is difficult to overstate. From greetings to shows of love, signing papers (seal having a kiss) and wedding pronouncements, New Year’s parties and spiritual traditions, kissing has been element of numerous countries for the longest…