Couples' personalities converge over time to make partners more and more similar.
235
'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
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
One in five long-term love relationships began with one or both partners being involved with others.
177
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212