hey i need some advice. My Chessie went missing a couple weeks ago and when he returned his right rear leg had a compund frature. the vet was unable to save the leg and had to amputate it. he is 3 1/2 yrs old. I am wondering if anyone else has had an expierience with a 3 legged retriver and how their quality of life was affected. I am concerned because he was a great swimmer and an amazing diver/jumper. Is there anything i can do to keep him from becoming depressed?