There are so many reasons why sisters are the best friends! Sisters are as annoying as they are wonderful. I would be lost if it weren't for my sister in life. I can truly say she is my best friends. It wasn't always like that, but getting older completely changed everything! Here's some awesome reasons why sisters are the best friends.
1. She Knows You
Your sister knows you like nobody else does and that's the best of the reasons why sisters are the best friends. Even if she sometimes uses this knowledge against you to drive you crazy, you can always turn to her with all your problems and she will understand like nobody else ever could.