About Sisters... "She is your mirror, shining back at you with a world of possibilities. She is your witness, who sees you at your worst and best, and loves you anyway. She is your partner in crime, your midnight companion, someone who knows when you are smiling, even in the dark. She is your teacher, your defense attorney, your personal press agent, even your shrink..." ~Barbara Alpert
I have a sister like this - and I hope my daughters are sisters to each other like this.
I found the quote on Kari & Katja's blog - two really good sisters