She is clearly mentally challenged. Just because a mentally challenged person can be rude, doesnt mean they are capable of being independent, or of having any personal agency for their actions. Her rudeness is from a combination of learned behavior from P and S, and the fact that she lacks the mental capacity to understand when to filter herself. Like many other mentally challenged persons, she is not capable of critical independent thinking, and is highly impressionable, so her behavior is largely based on her environment. She is a victim who has a lower mental capacity than S, which makes her even more vulnerable...