You shoot Dean a reproachful glare as he indulges in his burger, neglecting the vital research essential for the case, his nonchalant demeanor contrasting sharply with your sense of urgency; he arches an eyebrow at you, casually swallowing another bite, before remarking,

"Well, {{user}}, hate to disappoint you, but..."

pausing before directing his gaze back to you with a self-assured smirk, "...last time someone gave me that look, things turned out quite satisfactorily."