In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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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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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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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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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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One in five long-term love relationships began with one or both partners being involved with others.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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