Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Kissing an infection-free partner is good for your teeth!
141
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
One in five long-term love relationships began with one or both partners being involved with others.
177
The left ear is more responsive to words of love and emotion whispered into it than the right.
40