Phlatus on page 448
Charlie's only in the very earliest stages of hypothermia, evidenced by his shivering, but he's not staggering or incoherent. I doubt if a hot shower will harm him. A tall, slender, ashen pallor faced, homicidal, recently maimed, time traveling mutant, who's almost certain to leave the hospital AMA* as soon as he's physically able, on the other hand....
*Against medical advice