He's leaving himself a lot of wiggle room in this latest plan, and you're leaving him a lot of wiggle room too, Hope. This will result in one outcome: His disease will win yet again.
When you begin to leave yourself some wiggle room (in the form of a solid plan of action and a true willingness to make difficult choices and positive changes in your life), then the scale will tip in your favor. At this point, your husband has his butt firm planted on the ground of the alcoholic see-saw, and your feet are dangling in mid air.
I found that when I made a deal with my alcoholic partner, it was like making a deal with the devil. The outcome was never in my favor and it wasn't pretty.