Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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You burn 26 calories in a one minute kiss.
605
40% of people who are rejected in romantic love slip into clinical depression.
72
Two in five people in the world marry their first love.
270
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
A man's beard grows fastest when he anticipates sex.
239