She also said she was petrified of her mother. Absolutely petrified of her mother, because she will never forgive her.
Her mother will never forgive her...because there's that chance they'll never see Caylee again. Casey knew how much of a "chance" that really was.
In the beginning I wondered if Casey was really afraid of Cindy. The jailhouse videos solved that mystery for me once and for all. Casey shows utter contempt and derision for her mother....no fear whatsoever. She even laughs at Cindy's crying. (not saying there's no reason for the love loss - just no fear)