Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
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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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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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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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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