There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
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
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
Two in five people in the world marry their first love.
270
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81