One time when Bob was alive and close to or over 90 lbs or so... he tried to climb the 3 high cinder block wall and flipped. I was not home and when I found him he had tried so hard to right himself he'd made a track in a circle around himself thru the grass and into mud, he'd pooped and peed horrible and he was not struggling at all. His eyes were half slits...I righted him as carefully as I could but he still went THUD as he then fell over.... his eyes looked better, but he was strange for about a half an hour...