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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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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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!)
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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Kissing an infection-free partner is good for your teeth!
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