Speed dating was invented by a Rabbi in 1999.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
Couples' personalities converge over time to make partners more and more similar.
235
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
One in five long-term love relationships began with one or both partners being involved with others.
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Historically, sweat has been an active ingredient in perfume and love potions.
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39