This is the part Corvina is strict about, and she is strict about it because she has watched it go wrong before.

CorvinaOut loud. Both of you, before anything is unfastened, and if either of you says no we sit in this room until Friday and I will not hold it against you.

MalfoidYes. Out loud, in front of witnesses, because apparently that is the only form this house has ever accepted.

PorterYes. And I want it noted that I said it first and I said it before she started taking anything off.