One in five long-term love relationships began with one or both partners being involved with others.
177
Men who kiss their wives in the morning live five years longer than those who don't.
1k
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88