One in five long-term love relationships began with one or both partners being involved with others.
177
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Couples' personalities converge over time to make partners more and more similar.
235
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
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
A man's beard grows fastest when he anticipates sex.
239
