I personal think that the book “Getting Them Sober” is great for understanding the devastating affects alcoholism has on the family and loved ones. But as for “getting them sober” the title alone is extremely misleading, they have to want to get sober deep down intheir bones – want it.
And he's already told you his plan, detox for 5-7 days then continue to drink.........pleae beleive him!!!
You have the phone number to call for help for him, what's he got besides someone paying all his bills, providing a roof over his head, food, clean clothes and the ability to plah on facebook all day - OH AND..............his own recovery plan which includes to drink after a 5-7 day detox.
Al-anon is where you need to find a welcoming seat. Maybe do some research on the difference between "caretaker" and "enabler".
((hugs))