Well. He's not surprised Jasper has a total lack of knowledge of anatomy but--no, hang on. Hang on she's made of light! Putting down his project and the needle-holding-hemostat, Herbert steps up onto the table, turns around, and starts using his x-ray vision. Moments later, he looks absolutely tickled and thrilled.

"That 'stuff'," he says, sounding like he's seconds away from bursting into laughter, "is what's inside you right now." If telling Jasper about this is what breaks his cover, he'll be Cast Out happy.