Jack is quietly stunned how good John's hand feels in his and for a second he doesn't realize that John has asked him a question. Once his brain catches up with things. He answers as he looks around. "The City has these weird shifts sometimes," he explains remembering that he's been in the city and dealing with this longer than John. "Last time it happened before the sherbert thing, a whole alien world showed up. I got stuck in a temple with some of the other Different and we ended up going on this adventure. This looks to be another one of these shifts."