Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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A man's beard grows fastest when he anticipates sex.
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For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
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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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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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The left ear is more responsive to words of love and emotion whispered into it than the right.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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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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