When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Kissing an infection-free partner is good for your teeth!
141
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Raj from the Big Bang Theory is married to Miss India.
11