"Which... may be appropriate considering the fact that your objects don't exactly follow the rules of Newtonian physics, correct?" Hermione pointed out gently. It was yet another example of what made her so hesitant with letting Billy manage all aspects of his exposure to magic on his own. Hermione knew that she had greater experience and was probably at least good enough for that type of advisory role.

But some people didn't want to be helped, and trust was a difficult thing to build. She had to be patient.

"A large space will help prevent the objects from reacting to one another. You can store them on opposite ends of the expanded space."