"One of the best memories I've ever had with him was the first time he completed the obedience course off-leash by himself. After that, I could never get him to do it again," Hargrove said, laughing. "Max did it perfectly. It just so happened that was the day of certification. He did it and I was so excited. Twenty minutes later, we went to do it again for the real run-through for certification and as soon as I let him off-leash, he ran away. He was a great dog, but man, was he stubborn."