The left ear is more responsive to words of love and emotion whispered into it than the right.
44
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
40% of people who are rejected in romantic love slip into clinical depression.
72
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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!)
278
Speed dating was invented by a Rabbi in 1999.
45