Couples' personalities converge over time to make partners more and more similar.
235
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
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.
27
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Wearing red increases attraction.
30
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
'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