Thanks for updating us Life is Greyt! We really share the same philosophy on our non-human family members. We want to have them in our lives as long as it is possibly comfortable for them to be with us. I understand how it gets down to weeks, days & then hours. If you can keep them comfortably with you just that "one more day" it is a precious gift.
We are still missing our senior canine family member Annie who has been gone a couple months now. Biscotti still calls for her everyday, "Annie, Annie it's ok". Kind of breaks my heart, but also kind of comforting too to know that he also must think about her. We still have 2 dogs, a puppy I got last summer & another senior, my 10 yr old rottie Mandy. Mandy had some GI issues a few weeks ago & it scared me to death. I don't think my heart could stand losing another baby so soon. I started cooking for her & her troubles have straightened out for now. She has already outlived all my previous rottie girls, so I know how precious our time together is.
Hug your sweet Kirby for me. Once you have been blessed with an old dog in your life you can never look at a grey muzzle without a tug on your heart. At least not for me!