Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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Kissing an infection-free partner is good for your teeth!
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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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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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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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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