I wore a full beard then and around my nose and mouth it was frozen. Had to break the ice with my fingers. The underside of the tent's roof also had a nice ice lining.
I told him pretty quickly it was time to rise and shine. I'd hate to see a grown man cry and I think he was on the verge. We got up and got a fire going. When the sun came up, believe it or not, there were some hard-core guys just sleeping in the snow in their down mummy bags and zero shelter.