In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
A man's beard grows fastest when he anticipates sex.
239
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
Raj from the Big Bang Theory is married to Miss India.
11