Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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Couples' personalities converge over time to make partners more and more similar.
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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.
28
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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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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