I was not around when Marmite was ill but think it's a wonderful idea to have a little remembrance ceremony for her as you do. Although I don't know what she went through her last days, I think many of us wonder if we handled things the best way. I still wonder if I did enough for my soulcat, Wesley, and can not even allow myself to dwell on it too much. The reality is that we do the best we can and that is all we can really ask of ourselves. There is no question that you loved Marmite and made the best decision you could make for her with the information you had. Whether we worry we did too much, or not enough, we made our choices based on love for our cats and should try to let those regrets go. Our beloved kitties would not want us to be in such pain.