Accounting. It warrants a flick of her attention up and across him, calculating. Clearly, it's not what she was expecting him to say. But he's probably used to that. Big accountant.

"Engineering. So we both like numbers."

As for what she's doing here, that much would seem to be of little consequence. Figuring it out. It's not really making it up as you go along if there's solid logic behind how you get there.

"Have you met many other transplants yet?"