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 dragonflies mate, their tails form a love heart.
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Historically, sweat has been an active ingredient in perfume and love potions.
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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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In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
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Kissing an infection-free partner is good for your teeth!
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You burn 26 calories in a one minute kiss.
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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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