"He's had enough of me pestering him very likely," so she was not going to be asking Doctor Berkowitz to dress up as anything for her. Thanks.
Dorcas slowly arched an eyebrow, "Doesn't need that much facial hair. Unless to your face Cary Elwes's mustache is like... The god of all mustaches." And then she added with very little care, "You'd look silly with a mustache anyway." It was the truth. He'd look very, very silly. "Oh, while we're on the subject, want to help me try and decide between the styles of gypsy since I can't be Dorothy without the right crew?"