Historically, sweat has been an active ingredient in perfume and love potions.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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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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Parents receive 1 out of every 5 Valentines.
20
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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