This is a real sad update, I'm really sorry to see you in this bind, and I'd like to thank you for finding the bravery to share your difficult and painful experience with others because it might help someone else to avoid it. Don't have a senior anymore, but been there, done that, so I know how unsettling it is when you're traveling down a road, having to make decisions for your furry friend, worried it might be a cul-de-sac. Sending a lot of good thoughts for Midnight and for you, so you could find the wisdom and courage to make the right decision at the right time and, of course, a lot of luck which is very often the most important thing Will be thinking of you, keeping our fingers and paws crossed for the best possible results. M&M