The single biggest predictor of love is proximity.
30
'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
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Wearing red increases attraction.
30
40% of people who are rejected in romantic love slip into clinical depression.
72