My internal resources had grown. At first, during the desperate struggle of the descent, I had a surge of panic. We nearly lost our way twice, and were constantly swept by avalanches in the blizzard, but then I felt myself go hard inside, go strong. My muscles and my will tightened like iron. I was indestructible and utterly alone. The simplicity of that feeling did not last beyond our arrival at Camp 6 and the thirty-six hours of storm that followed. But I was to remember it in the months that followed.