Yeah... that's unmistakably Mycroft Holmes, all right. Arthur had even left the government position he held mysterious and open ended so readers could have fun guessing, since he was a double agent, and Arthur could get away with using that ambiguity to suit himself. This is officially the weirdest day of his life, even more than the first month after becoming a vampire.

Okay okay, smile. He's got this, it's just another game, and Arthur hates to lose. A giant beam, "Fortunate! Seems like you won't be working much at all then." Reflexively, his instinct is to provide some entertainment, a suggestion of things to do. Mysteries to get into -- and that's the last thing he's going to do now.

"Blimey," he makes sure the smile closes the sapphire blue eyes, because it gives him away even to the normally unobservant, and Mycroft is more observant than Sherlock! "I dare say that sounds exciting! I hope things won't get dull for you around here!" Eyes open back up and he looks around for the crab. "Sharp-implemented crustaceans notwithstanding." A head tilt. He's just an ordinary out of practice opthmalogist. Well, okay not that ordinary, but just a doctor. A Doctor who has too much fun with words. "I'll leave it to you then," there's an unmistakably wicked smirk about that. Something that isn't so much trusting, as just not doing business that would normally have fallen on him. "See, I've no idea how I got here, much less how to get back, but you're with the--" oh no, he just oh so cleverly backed himself into a corner. He was so taken with enjoying his little game, he forgot what a normal person would call the Parliament in this time. He almost dizzies himself over in politics and ideas and the turmoil of the Victorian era vs. his own memories and stories. Why is he making this so complicated? "Government, so I'll leave it you to handle that fussy legal and diplomatic rigamarole."