The single biggest predictor of love is proximity.
30
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
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Raj from the Big Bang Theory is married to Miss India.
11
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81