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
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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One in five long-term love relationships began with one or both partners being involved with others.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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When dragonflies mate, their tails form a love heart.
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A man's beard grows fastest when he anticipates sex.
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