watching the dog die for nothing

the dog is on the floor emaciated dying, i believe it started all of a sudden not like we didnt see it coming he has been ignoring the signs for weeks letting it waste away and skinny out skin and bone all thats left it played a lot seemed fairly smart for a dog but it didnt get its shots fed twice or thrice daily didnt really change kept acting the same hip bones poking out now seeing the waste…