Couples' personalities converge over time to make partners more and more similar.
235
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
'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
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
A man's beard grows fastest when he anticipates sex.
239
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
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
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456