Plus, aside from all this "Me, me, me, what about my freedom?" blather, what about Doug? We're his fourth home, and, despite his shenanigans, he's clearly happy in his life with us. Sending him away again would be unthinkable. We don't know the details, but I suspect this has been a long year for him.
It brings me back, as all things ultimately do, to Anne of Green Gables:
MARILLA: She's no good for us. She has to go straight back where she came from.
MATTHEW: Well, we might be of some good to her.