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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Wearing red increases attraction.
30
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
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
Speed dating was invented by a Rabbi in 1999.
45