When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Parents receive 1 out of every 5 Valentines.
20
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
You burn 26 calories in a one minute kiss.
605
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