So, often, I get emails asking about how to handle sibling issues. They end with something like, "It must be nice to be an only child. I do the work alone, but I have to fight to make decisions. Only children don't have that problem."
Read the complete post at http://www.mindingoureldersblogs.com/2008/07/only-children-vs-sharing-decisions-with-siblings-which-is-easier.html