Fergus was sick of waiting...
She felt bad she couldn't give him something to keep him going, but, because of his Cushings, he has to eat special low fat food from the dogtor.
Poor Fergie is also on water rations, because he was drinking so much his bladder couldn't hold it and he was having... accidents.
Other than that he's doing pretty well for an 11 year old! That's like 77 in human years!