"Yeah, okay," Kyle agreed reluctantly, only because he knew his brother seriously didn't want to talk about it. They'd have to someday though, talk about one or both of them possibly dying and what the other would do in reaction, aside from survive.
"What do you think they're doing right now?" he asked, meaning their parents. It was a game they both played--Kyle pretended he still believed their parents were alive, and Derek allowed him to.