He's not interested in recovery and you are not interested in loosing the hopeful fantasy that some day, he's going to change. Quite a dilema.
Addiction demands he protect and sustain it at all costs.
Our codependency also demands the same from us.
Addiction is progressive. This will get worse.
There are likely some Alanon meetings in your area. Empower yourself and go. You are the responsible parent and will put them, their need for stability, before your own.