In Chapter Seven, why is Bri so upset that Aunt Pooh leaves before Bri records her song?

In Chapter Seven, Bri is so upset that Aunt Pooh leaves before Bri records her song for several reasons. Aunt Pooh has acted as a manager for Bri since Bri decided she wanted to take music more seriously, and Bri feels as if the two of them are in the endeavor together, so she is hurt that Aunt Pooh leaves at a critical time. Bri is also worried that Aunt Pooh, who Bri knows sells drugs, is going off to do something illegal.