"Oh, what a compliment coming from you." He nudges Arthur in the ribs playfully.

He's going to take a moment just to soak up that reaction before he answer the depressing question. "Might hold you to it. I can be naughty if it helps get you in the mood for spanking me." Smirks all around.

Okay, but now he probably does need to come out with the truth. "I know how old I was when I left Earth. Problem is, I don't know how long ago that was. Best I can figure, I'm somewhere in the ballpark of thirty-three by now."