Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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Kissing an infection-free partner is good for your teeth!
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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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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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Historically, sweat has been an active ingredient in perfume and love potions.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Wearing red increases attraction.
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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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