Are you mad? No, just kidding. It's just a prop to get me into...
Arlov: Are you mad?
Patrick: No, just kidding. It's just a prop to get me into the room. I am aware that you have the real painting.
Arlov: Really? You are aware, and how are you aware of this?
Patrick: I guessed. Confirmed by the predatory smile on your face when you asked me about it just then. You enjoy trapping people in nets of their own making, don't you?