"Guh- this! This is useless! You- either you're lying to my face and I don't have the first clue what I could do to convince you to not do that, or you're being manipulated by someone who doesn't think you'd do your job better if you were better-informed! What am I supposed to..."

He drops his hands and takes a seat at the bar.

"...I'll have a coffee. Lot of cream and sugar. Please."