"Because you think it's best for everyone," Hermione corrected gently. She would let the topic go in the end, because ultimately, Billy was an adult. (Or as much of one as she had been during those critical years at Hogwarts, when Harry, Ron, and herself couldn't be completely convinced by any single professor of what to do.) "Just remember that no matter how convicted you may feel, you may end up learning better as time goes by."

Exhaling deeply, Hermione used flicks of her wand to search through her shop, finding a trunk in the back that looked substantial enough to withstand the heavy-duty spells she was going to cast on it.

"An expandable chest may be the best idea," she said softly.