Peter looked as if he was about to start walking again; hesitantly, Arthur put up a hand. “Er- before we go any further-”
“Hm?”
“D'you mind if I ask you something, Dr. Venkman? It, er. . . might be a bit personal, but-”
“Hey, if it doesn't end up with me running around in robes and my skivvies, go ahead.”
Suddenly Arthur was immensely glad of his limited grasp of Muggle slang. “I should certainly hope not. No, this is about, ah. . . what you know.”
“Oh, you mean about you guys? Wizards and stuff?”
“Yes.”
Peter smiled, and this time it reached his eyes. “Funny you should ask, Art. Tell you what- I'll tell you how that happened if you give me the wizard-on-the-street story about what's going on around London, okay?”
WYGO? chapter 6 is under way in earnest.