Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Speed dating was invented by a Rabbi in 1999.
45
40% of people who are rejected in romantic love slip into clinical depression.
72