Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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In one day an average person will take about 18,000 steps.
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You forget 90% of your dreams.
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Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
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The average person laughs 13 times a day!
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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40% of people who are rejected in romantic love slip into clinical depression.
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