Couples' personalities converge over time to make partners more and more similar.
235
Raj from the Big Bang Theory is married to Miss India.
11
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Two in five people in the world marry their first love.
270
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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14