Early on in my quit I too ate like crap. All my meals are healthy but I ate lots of bad snacks.
My focus was on not drinking.
Once I got that worked out, after about a year, I am now focused on healthier snacks.
I feel Much better.
Sugar is the devils brother.
You do feel better without a bunch of sugar in your system but it is much better than a bunch of alcohol in your system.
Take your time. These things will work themselves out.