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 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Speed dating was invented by a Rabbi in 1999.
45
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
One in five long-term love relationships began with one or both partners being involved with others.
177
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