The goodbye time

AS LONG AS she can remember, Anna has lived in the same Upper West Side apartment with her parents and brother, Tom; she's attended the same private school and had the same best friend, Katie. Katie has always loved hanging out with Anna's family and escaping the tension in her own small apartment, where her single mom struggles to raise her severely mentally challenged brother.But then something changes. Katie's brother gets violent with her mother and now he's going to live in a home. Suddenly Katie is angry with Anna, and just as quickly they're not friends anymore. Anna's mom tells her…