Kissing an infection-free partner is good for your teeth!
141
Wearing red increases attraction.
30
The single biggest predictor of love is proximity.
30
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
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