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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When dragonflies mate, their tails form a love heart.
22
Speed dating was invented by a Rabbi in 1999.
45
In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
44
One in five long-term love relationships began with one or both partners being involved with others.
177
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
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14