"'Course you wouldn't." John punctuates his words with bites -- he's adding extra commas into his sentences just for more reasons to scrape his teeth across Q's ribs (they are, admittedly, easy to find). "Knew you were smart."
Belts? Belts are useless. John's fingers deftly undo the buckle at Q's waist; he is nothing but helpful in these times of need.