"Everything?" Sam smiled sheepishly and reached back to scratch the back of his neck. He realized Henry didn't know very much about him. He'd probably never heard Dean call him 'college boy', or any of the other nerd-names Dean had for him. He shrugged finally and said, "I'm serious about that. I'm interested in everything, but maybe we should start with stuff that's relevant to getting out of here. But warding and healing would probably be good, too."