The number is said to be bad luck and you can find may elevators in Korea with the number 4 replaced with the letter "F"

2. Names in RED

If you want people to think you want them dead, then write their name in the red ink. People think it brings very bad luck and even death.

3. Whistling at night

Some people say that whistling at night will bring spirits or ghosts. In order to prevent this from happening, some people will stop you from doing it.

4. Shoes as gifts

It is said that giving shoes to your significant other could cause them to rum away. If shoes are given as a gift, some people will pay a small amount to prevent it from happening.

5. Dreaming of pigs at night

If you have dreamed of pigs lately, it could mean that lots of money is on its way to you.

6. Chicken wings

If you give your husband or boyfriend chicken wings, it could cause him to "fly" away from you since his belly is full of wings. Any winged bird is fair game.