When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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A man's beard grows fastest when he anticipates sex.
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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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40% of people who are rejected in romantic love slip into clinical depression.
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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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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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