Having broken my knee I hadn't ridden in almost a year. Dumb dumb, on very warm evening decides to get on bareback, except I forgot just how tall the one horse is. OK, Stupid had a good solid mounting block so up I get. Horse lined up nicely, go to fling my leg over - no dice. And I haven't any excess weight and am long legged. I might have made it if there was something on the other side to grab hold off. I retrieved my leg and added another block, adding another 9". Slightly better. I did make it on. I rode around the paddock at the walk and did a few maneuvers. Too many bugs. As I began to slide down his side the ground seemed to have vanished. I knew it had to be there somewhere but is sure wasn't where I was hoping. Here I was hanging down the horse's side, arm over his neck, feet flapping. I finally let go I'd been short by a foot.