The average person will go on a date at least 100 times before they finally marry.
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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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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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Couples' personalities converge over time to make partners more and more similar.
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Historically, sweat has been an active ingredient in perfume and love potions.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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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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Speed dating was invented by a Rabbi in 1999.
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