When I knew that Myrtille's time was coming to an end, I spent as much time with her as possible, holding her in my arms, letting her sleep on me, helping her through whatever parts of her daily routine she could still manage - and as the days went by, the things she could manage became fewer and fewer, but she never ceased to amaze us, right to the very end. She showed such a will to live and such a hatred and fear of going to the vet that we made the decision to give her hospice care at home. Looking back, I am still not sure we did the "right" thing - but we tried to think of what decision she would have made for herself, and we think that we made that decision. So that's what we did - just spent as much time cradling her and pouring love into her as we could, which was what she wanted. I think because every cat is different, it might not be the same for your Tinkerbelle. So you will have to use your judgement.