[His shoulders bounce with a humorless sort of chuckle.]

Believe me, I already have thousands. [Though he fails to mention that they're all crumpled up in the back of his clinic, and at any rate, very far away from here.

He shakes his head after a moment.] If I get the urge, I can always just prick my finger and write it in blood. That'll get them nice and properly riled up. I got it for you.