David stumbled in through the open door of the cabin on feet that had long since turned numb from cold. Refusing to put his frozen burden down, he nearly dropped her as he fell through the door of the washroom and into the tub. Holding her tight, he sat in the tub with her on his lap and turned the taps, gritting his teeth against the agony as water touched his frozen feet and legs. His arms shook and the breath seized in his chest as feeling creeped back into his icy veins. He forced himself to flex and unflex his fingers and toes until the blood flowed and the pain receded. He couldn't afford to lose a digit to frostbite. Though all of his thoughts were for his wife he knew he had to care for himself before he could turn his attention to her. Natasha hadn't moved once since he'd pulled

