Christine has given us a good one this week.
Today’s prompt is:https://youtu.be/sNlgLSRZaos This video shows you the optical illusion

I tell you, we’re not alone!
Of course we are, it’s just the two of us!
No, I have a feeling we’re being watched.
Look, the door’s closed and locked, the drapes drawn. No-one else is in here.
How about the walls have ears? All those secret passages. How do you know someone isn’t lurking?
They can’t. This room is secure, I know because………………….
He paused. Damn, nearly let the cat out of the bag.
Because?
If I told you, I’d have to kill you.
(thinks:  but then I’ve already done that)

92 words