Brianna was bullied by her older sister growing up, and it wasn't just just sibling rivalry. It was full bullying. She hasn't talked to her in forever because it and now her sister wants back in her life. She never apologized for any of it and it seems like her sister wants to start a new relationship, without acknowledging what she did. Brianna doesn't know if she move past it or if it's too late for their relationship. What advice do you have for Brianna?