A lot of times we say that action does more for our progress than words and thoughts. So this is an important step. I guess you will have to deal with the presence of alcohol in the house, and that is a different story. Some people are able to deal with it better than others. For example, I have been told it is surprising I was doing OK since I am by myself and can do anything I want without interference. The commitment to not drinking needed to be there on the inside first, obviously, but I also made a point of not having any alcohol around me. Everybody has their situation, limits, strengths, etc.
For me, it was important to feel pride in the changes I was making, so I would make the most of it, and feel glad. At the same time, I realized I had to live 24 h a day and not become complacent. I didn't really understand what that meant before when I would hear "one day at a time."
Good stuff.