Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
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.
456