At Spencer's look, what was left of Megan's small smile faded. She hadn't thought of that. She had thought herself rather clever for thinking of the voice thing, but a polyjuice potion made a bit more sense, now that she thought of it.
"Oh," she mumbled, shutting the door behind him and locking it once more. She had hoped Spencer would have made her less worried rather than moreso, but such was life. "Well, er, what's something only you know the answer to?"