If she was going to be truthful, she would concede that some of her decisions had been questionable - like raising a zombie - it probably wasn't the best move but a girl's allowed to make mistakes, isn't she? She had tried to justify her actions but when one is in high school, self-doubt is a constant companion and then there were the expectations of those who knew who her Father was.
Jessica was just finding out that there was a downside to being Daddy's Angel.