There is a quote in sisterhood that you must never let your sibling down in any way possible.
There are so many ways that you can let her down but as much as you can the sisterhood rules say that you should not.
There are so many more codes to sisterhood that is still unknown to people who does not have a sister.
Here are some of the codes about sisterhood that you should know about and some more about having a sister that just proves that the sisterhood codes are for real.
Enjoy these quotes and I hope you have a nice time with your sister and sisterhood!