[ Arthur's brows go up at the invitation to dinner, almost wanting to tell the doctor he shouldn't be so willing to have strangers in his house (completely ignoring how he had literally walked right into another person's house).

But he nods, taking a few steps towards the tables and stacks of books Bruce had set up in the lab. ]

As long as you don't mind --

[ As he's walking through all of them without disturbing any of the books or things spread out on the tables. ]

-- this sort of thing?

[ As he stops at the side of Bruce's desk, ]

I've read what you've said in public and all but...

[ He shrugs a little helplessly. ]

I just want to make sure, you know?

[ The good thing about being able to make oneself intangible at will was that if revealing his powers got a negative reaction, he could just get the hell out of Dodge easily if he had to. ]