There's a short 'hnh' that could be a note of humor, but with Optimus, it's only ever so clear. Especially now, when he's hyperaware of the crawling in him. An audial twitches at the sound of scissors, though- perhaps?

No, he won't ask. She may think he's trying to hurry her.

"How bad...?" he asks instead, focusing optics towards the ceiling and trying to divert his attention there.