" the entire dining room table on his shoulders and bounce it around the room, could now barely pull himself up. He groaned in pain when he lay down, and groaned again when he struggled to his feet. I did not realize just how weak his hips had become until one day when I gave his rump a light pat and his hindquarters collapsed beneath him as though he had just received a cross-body block. Down he went. It was painful to watch. Climbing the stairs to the second floor was becoming increasingly difficult "

― John Grogan , Marley and Me: Life and Love With the World's Worst Dog