Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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Historically, sweat has been an active ingredient in perfume and love potions.
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Two in five people in the world marry their first love.
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A man's beard grows fastest when he anticipates sex.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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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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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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