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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
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 Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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