'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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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Men fall in love faster than women do.
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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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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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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.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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