Men who kiss their wives in the morning live five years longer than those who don't.
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40% of people who are rejected in romantic love slip into clinical depression.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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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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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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