The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
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
Raj from the Big Bang Theory is married to Miss India.
11
Parents receive 1 out of every 5 Valentines.
20
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
The left ear is more responsive to words of love and emotion whispered into it than the right.
40