When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Two in five people in the world marry their first love.
270
'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
Historically, sweat has been an active ingredient in perfume and love potions.
309
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165