Sorry about your dog. My father's dog got hit by a car and killed this thursday. Myself nor my siblings have ever seen our father so distraught or emotional over anything ever. It always sucks. I had to shoot one of my dogs in the back of the head this fall. She had a softball size tumor which was physically pushing it's ribcage out, vet said he'd put it down, I said no, she's still happy and doesn't seem bothered. Months went by, she got all the hotdogs or treats she wanted, still ran rabbits all night, very happy. I came home one day, she met me at the front door late because she was having a hard time walking, labored breathing, whining, and was in severe pain, and when I waved the hotdog in front of her nose, there was zero reaction as if in a trance. Pulling myself together when I realized it was time, was the hardest, shooting it was easy because it needed done right now.Then I mourned. But it was a lot easier than the other dog I lost two summers ago, who I watched die a painful death for several hours. I drove her to the vet after hours of trying to help her and my not wanting her to go, got in the way, and she suffered for it. I won't make the same mistake again.