The girl tilted her head, not really understanding why he sounded so surprised. If a car was dirty, you washed it. If a giant robot disguised as a car was dirty, you washed it. The principle wasn't hard to grasp.

"You won't be able to do it for yourself without getting some stares," she reminded him. "I don't mind doing this for you, and I promise it won't take long, so it'll be easier for both of us if you cooperate."