He need to know the ramifications of what he is doing to your Family, the Church has a great program that is out there in many areas and is also available by phone. ARP , many Bishops do not realize this is available and is available by phone in if there is not one in your area. This is a 12 step program and as an addict he needs to go through it and work and it will cure him, it might take many time through the step but it works. There is also ones that cover just Porn as an addiction. Encourage him to attend these meeting and make sure he is aware of the ramifications of this on his marriage.