Guy handed me a beer, Caroline gave me a hug, and the next thing I knew I was sitting on the ice with my face in my hands and tears streaking my cheeks, weeping like I hadn’t wept since I was a small boy. Safe now, the crushing strain of the preceding days lifted from my shoulders, I cried for my lost companions, I cried because I was grateful to be alive, I cried because I felt terrible for having survived while others had died.