Just got home from work and Grandad said, "Oh, we had another power cut this afternoon, so I went into your room and switched things off."
My reactions went thus,
Externally:

Internally:

"Nooooo! No one may enter my room in its natural messy state! It is too potent a symbol of the chaos and disorder of my life and mind! Aaaaaaaaaahhh!"
Although, to his credit, I don't think Grandad is likely to judge me on my messiness.