Hi ZaB,
I wouldn't worry too much about about controlling your chocolate intake. I was the same in wanting chocolate/cakes/ice cream etc, it's just a sugar craving which lots of us long time boozers get in early withdrawal.
It wears off in a couple of months of its own accord so in my opinion you're better of eating what you want to start with and just focus on staying off the booze (after all that's hard enough)
I think you are doing really well ZaB, hats off to you