"Um - " began Neville, but already Hermione had jumped from her seat. Before he could ask what she was doing, she ran out of the compartment, leaving Ron and Neville alone to try to make awkward conversation. Fortunately, she'd also left them with a subject. For this Neville was profoundly grateful. Otherwise they'd have been forced to talk about Quidditch or something, and Neville was fairly certain that most Muggleborns knew more about the sport than he did.