"I mean, the history stuff is interesting, but I'm more interested in the medical and scientific side of things," he confesses. "Did you help to invent anything? Did you know Jonas Salk?" he asks. "What about when the polio vaccine was invented?" His interests definitely lie in the realm of diseases and their cures. He still holds hope that he'll be the man to discover the cure for zombieism, but that's sort of out of the picture at this point, given the lack of materials, tainted utopium, and, well, zombies.