Glad you dumped it. Eat what you want without guilt for today. There's a time for everything. Don't put unnecessary pressure on yourself early on. It will get easier as time passes. You will feel more in control. Great job for getting through the grocery store without alcohol. Can you get out of the house so you're not feeling isolated? Coffee shop? AA meeting? Library?
Well done on seven days. That's terrific. I'm glad you posted here instead of caving