"It's a big flippin' blue box in the middle of the street! How is that not interesting and worthy of investigation? Always carry giant boxes around with you, do you? Look at you! You're a twig. How would you even move it without a crane!? And uh... I don't see a crane." She huffed, folding her arms across her chest.
Suspicious, Doctor. Very suspicious. She gets the feeling you're trying to hide something and she wants to know what!