He curled the fingers of his right hand, under Sheppard's, to give a little thumbs-up and then to give him the finger

*LOVE*

That is a much more convincing description of the onset of hypothermia than I am comfortable reading during a cold snap! Seriously, brrrrrrrr. I also really liked how you handled Rodney's increasingly sluggish responses--from his POV he's still pretty lucid, which makes Sheppard's badly-concealed concern all the more striking. And, um, chilling. ::g::