According to her interview with the NYP she’ll be staying in Chicago with a friend who has been supportive of her throughout her prison stay. While she claims she’s also been in touch with her father’s family, she just wants to take Stella there for a visit. There is no way anyone is going to get custody of Stella away from HM. Kia Walker, Tommy’s mother, tried when she was a baby living in a prison and she was denied.
As for HM losing patience? In normal circumstances I’d say she wouldn’t make a good mother but considering she’ll have no other responsibilities, she’ll be living with a friend and Stella will be her meal ticket, I’d say she’ll cope just fine. At least until they make it back to Bali and HM wants to actually resume a life.
MOO
Some parents over-program children to avoid spending time with them. It's never a good outcome for children who are over-programmed, but it would make Mack's life easy.