Jaffypoppy,
Being pro-active about your own well being and health is to be commended. Especially under your circumstances. Must be diffucult with the stress involved at home. Stay strong and when you feel overwhelmed try and remove yourself from the situation. I agree with Dee. Maybe Al-anon can offer you ways to cope and still continue your sobriety.
For me the first week was the hardest and during that time I tried to stay away from stressful situations. Hard for you. Find a good support system. My best to you and be proud of yourself !!