In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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40% of people who are rejected in romantic love slip into clinical depression.
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Speed dating was invented by a Rabbi in 1999.
45
Couples' personalities converge over time to make partners more and more similar.
235
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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The left ear is more responsive to words of love and emotion whispered into it than the right.
44
Historically, sweat has been an active ingredient in perfume and love potions.
309
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88