FTS, so glad he's behaving like a human being. It's an advertisement for letting A's feel the consequences of their addictions.
The main danger, which I'm sure you're aware of, is of the processes of sobriety, learning to handle irrational jealousy, and other adjustments don't happen overnight and he needs to be away from the family to keep working on it. Why? Because we tend to revert to our old habits once we're back in the old circumstances.