That's how it should be! We rarely get such competent female visitors when it comes to interior design. These two mistresses have already won the "Decorating Beautifully with Servants" competition twice. A great honor, and this award comes with a substantial prize.
Well, that's how quickly it can happen. One moment you think you have the upper hand and have the lady under control, after all you do have a certain position vis-à-vis the students. And the next moment the tables turn and you're standing there with your pants down.