Kissing an infection-free partner is good for your teeth!
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Historically, sweat has been an active ingredient in perfume and love potions.
309
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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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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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Men who kiss their wives in the morning live five years longer than those who don't.
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