'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
The average person will go on a date at least 100 times before they finally marry.
33
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Couples' personalities converge over time to make partners more and more similar.
235
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
28
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103