I have recently started reading this blog, one of seventeen, and she wrote a post called the fear factor that really resonates with me, although her loss is much more recent. Lori wrote a similar post on her blog awhile ago when one of her sons was sick. There is so much I could say, but others have said it first and better, so I won't write it all out again. I do agree that after losing a loved one - especially a child - I think the anxiety about whomever we have left is so much more intense.
Today he is almost back to his spunky, jumpy, mischievous self, and as exasperating as that can be sometimes, it is a huge relief to see him feeling better.