It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
One in five long-term love relationships began with one or both partners being involved with others.
177
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27