[What? He stands up a little straighter, baffled for a different reason.] No.

We're not debating the philosophy behind vore. Not only is this not the time, but I barely know anything about it. [From his bag he hears a muffled, 'I could explain the finer points of Gourmandism! There's a great deal of fascinati-.]

No. Just. No. What jobs are you picking up on this tour? [When in doubt, change the subject.]