Little Nebula Awards float around Arlen's head.

Remember, last time Rumy saw Arlen he was throwing her across the room.

Will is furious not just because Kath almost got him killed—which is reason enough!—but because she made him helpless. As we'll learn later, Will has a thing about fighting women, and as we'll learn much later, he spent a lot of his childhood helpless in the worst way.