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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Wearing red increases attraction.
30
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
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
One in five long-term love relationships began with one or both partners being involved with others.
177