You are doing the right thing. You can't help him get clean. There are so many resources out there for him if he wants it. Your plan of waiting to see is good. I would want to see at least a year of recovery. Try not to look to far into the future. No one knows what tomorrow holds. Your parents may not feel like that forever. It was very comforting to me to hear in Al-Anon, One Day at a Time and to just continue doing the next right thing.