When dragonflies mate, their tails form a love heart.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Men who kiss their wives in the morning live five years longer than those who don't.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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