She doesn't understand at all. For a moment she nods as if she does, because she thinks maybe she might get it if she lets it sink in, but at last she gives a little sigh and a shrug. "That's not making much more sense," she says, "but I guess it doesn't have to."

She runs a finger along the handlebars, still struck by the look and feel of the bike. "So, where did you want to go?"