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
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
One in five long-term love relationships began with one or both partners being involved with others.
177
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Historically, sweat has been an active ingredient in perfume and love potions.
309
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212