You burn 26 calories in a one minute kiss.
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Couples' personalities converge over time to make partners more and more similar.
235
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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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44