Thanks for coming to the site. Please seek some professional help. Everyone on this site has experienced death of siblings and other loved ones. I can feel your pain. You are to be commended for taking care of your family. Now you need to take care of your self by getting some professional help. I do not know all of the details surrounding your situations but sometimes, we have to choose our battles. God is going to reward you for taking care of your family.
Please check out the posting on this site...despite the reason we all got to this site...there is hope and encouragement here. I am praying for healing for you.