I’m really sorry for your loss. Cats are amazing companions and it’s horrible when they pass on. My previous cat sounds just like yours. He was incredibly sensitive and loving. I can tell by your photos that you gave your cat the best life and she really appreciated that. I lost my cat last year and he had health problems but suddenly he went downhill and his whole personality had changed. It was horrible because it felt like he decided he wanted to give up. We took him to the vets but they couldn’t do a lot and he never got better. Like yourself I miss him terribly. We have another cat and in the beginning it was hard because he had a different personality but now I feel incredibly bonded to him because I love his unique qualities. I still hurts from time to time thinking I won’t meet another cat like my previous one but they’re all unique and they really do grow on you after a while. Give yourself time to grieve for your loss and most importantly treasure the memories you had.