In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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Men who kiss their wives in the morning live five years longer than those who don't.
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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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