In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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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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Two in five people in the world marry their first love.
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As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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40% of people who are rejected in romantic love slip into clinical depression.
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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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Wearing red increases attraction.
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