It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
A man's beard grows fastest when he anticipates sex.
239
'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
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Parents receive 1 out of every 5 Valentines.
20