Isaac may not have been aware of it, but Kimblee certainly is; he's quick to tense up, his grip going strangely rigid against Isaac's hands.

"I'm...sorry, what was that?" He either isn't aware of how much of a demand that came out sounding like, or he simply doesn't care; it's a bit difficult to tell. He doesn't look angry, but he's clearly more than a bit surprised, if the sudden staring is any indication.