“I looked back up the face and marked the descent we had taken during the lowerings in a plumb straight line down to where I stood. I felt cheated. The very means by which we had managed to rescue ourselves had caused the accident. I remember the mounting excitement I had felt as we had progressed smoothly down the mountain. I had been proud of what we had managed. It had worked so well – and all Joe’s pain, all his digging, and fighting, had simply speeded the inevitable accident on the cliff.” I think the mood that is shown in the passage is reflecting, Simon is thinking back and remembering all the things that he and Joe had been through on Suila Grande