Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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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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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
The average person will go on a date at least 100 times before they finally marry.
33
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26