It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Only about 2% of the world population has green eyes.
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The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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