I have a border collie who is 14, just recently, maybe last week, he has refused to eat, only drinks water, and of course urinates a lot, and was throwing up about 2 times a day, I have stopped letting him drink so much at one time to help with his vomiting, I have been told and have researched he probably has kidney failure, but we have not taken him to vet, I don't want to put him down, if he is comfortable at home and not in pain. I am not sure what to do for him, but I love him and just cant take him to vet to be told he needs to be put down,