VIDEO: SISTER RIVALRY THAT HAS LASTED OVER 90 YEARS!

Sister dynamics never change. Even though sisters are often each other's best friends, they often bicker like cats and dogs. Deep down they do love each other.

These sisters are 98 and 102 and they prove that sisterly love never dies. They have become famous for swearing at each other and bickering like teenagers even though they are best friends. It is adorable and hilarious at the same time. She even argues with her sister over the phone!

From borrowing each other's clothes to fighting about borrowing clothes, sisters know that they will always have someone in their corner. God forbid one sister gets more than the other because it is a guarantee that world war 3 will break out and, if you think girls would be less violent than boys, well you are wrong!

But the pettiness doesn't end because when your sister has a child, you can simultaneously be the cool aunt and also make your sister's life hell by buying your niece or nephew a very noisy instrument. Drums are always a good choice!

Do you have a record of sibling rivalry? Let us know in the comments below.