Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Historically, sweat has been an active ingredient in perfume and love potions.
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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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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
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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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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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