Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Men who kiss their wives in the morning live five years longer than those who don't.
1k
The single biggest predictor of love is proximity.
30
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81