I am very sorry for your loss.You did your best with Jean and I know you will miss him but he is at peace now.Here is a little poem that may help you to feel a little better.Again I am so sorry for your loss. http://www.petloss.com/poems/maingrp/rainbowb.htm
You have our deepest sympathies. It's really hard when you loose a beardie, especially when you do all you can, including the vet visits and still it doesn't work. At least you can say you did all you could.