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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You burn 26 calories in a one minute kiss.
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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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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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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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Wearing red increases attraction.
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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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