The average person will go on a date at least 100 times before they finally marry.
33
Historically, sweat has been an active ingredient in perfume and love potions.
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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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One in five long-term love relationships began with one or both partners being involved with others.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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