"That's ... pretty amazing," Vito said. "I mean, your timeline probably exists somewhere; just because your native timeline isn't contiguous to your current timeline, that doesn't mean it's permanently gone. It just means you don't currently have a way to get there from here."
Not only had Vito read a lot of Heinlein, he had also dug into every resource he could find related to alternate worlds. The incident with Anna had made him very interested in the topic.