In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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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 man's beard grows fastest when he anticipates sex.
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The single biggest predictor of love is proximity.
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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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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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