Well it is the full moon (2nd night of the 3 night phase) and the moon is in Pisces (which is an emotional sign, one of the water signs), so that could have something to do with it, as well as the renovations. They get set in their ways, and aren't big fans of change in their environments.

If that had been me there, when the tray flew across the room, I'd probably have just yelled at ghostie & said "Yes I know you're upset because of the renovations but taking it out on me isn't going to stop them, they're just renovating". But then again I have grown up with ghosties all around me, I'm used to them I think.