Couples' personalities converge over time to make partners more and more similar.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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.
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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
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