*clinically, while deliberately pushing the part about killing Harry to a remote corner of his mind for subsequent consideration* You were possessed. But you aren't now?
*blinks, startled* I mean since you're an adult and an apprentice, you should have no trouble acquiring it legitimately. Anyway, that's part of it. The other major part is creating an amulet or a pentacle that will bind the spirit to you so that you can find it again in subsequent dreams.
*nods, non-comittally*
*confused* But... didn't she melt away into nothing? That's not what Polyjuice does. *clarifying* You can panic as much as you like. Just don't fight it.
*pretends to check his pockets* No... I must have left it in my other robes.
Heheh, Sirius may assume he's having a stroke :D Oh, really? I hadn't known that!
Also, when discussing possession by V, etc -- Sirius can be is tactless and insensitive, so don't feel as though you/Q have to answer his questions just because he's asking them.