Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Couples' personalities converge over time to make partners more and more similar.
235
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The single biggest predictor of love is proximity.
30
Men fall in love faster than women do.
32
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737