"Yeah, sure thing, Sammy." Okay, the challenge was issued, but Dean was pretty sure he would be jello by the end of this. Emotional trauma aside, this was probably going to be pretty amazing. He knew his own skills, he had some faith that Sam was at least competent, so maybe they'd get through it without majorly failing.
Stretching out a bit, Dean rested his hand on the back of Sam's head. His fingers twitched with the need to roll Sam over and just take care of him. He was used to focusing all his attention on his partners, rather than being given all the attention, but he tried to stay still.
Tilting his head up a little, he bit into his lower lip for a moment. "Not made of glass, you can be all 'big strong man' with me," he commented, anxious laughter in his voice.