I love kissing, 
Kissing is really great. Do many cultures kiss also?
Yes many cultures have a wide scope on kissing.
Interesting. Has anyone studied kissing?
Peter Lyman
George Peter Lyman (September 13, 1940 in San Francisco – July 2, 2007 in Berkeley, California) was an American professor of information science who taught at the University of California, Berkeley School of Information, and was well known in U.S. academia for his research on online information and his leadership in remaking university library systems for the digital era.
Life.
Lyman was a well-known figure in the fields of information and library science in his capacity as researcher and as university librarian for the
become a standard greeting mainly in Southern Europe but also in some Central European countries.
While cheek kissing is a common greeting in many cultures, each country has a unique way of kissing. In Russia, Poland, Slovenia, Serbia, Macedonia, Montenegro, the Netherlands, Iran and Egypt it is customary to "kiss three times, on alternate cheeks", but kiss twice in Bosnia and Herzegovina. Italians, Hungarians and Romanians usually kiss twice in a greeting and in Mexico and Belgium only one kiss is necessary.