"Just Balthazar," he said with a calm, knowing smile, crossing the room to the liquor cabinet. The room was pretty sparse by way of decoration, probably because he didn't actually do anything here. "And thank you. I do try."

Pouring scotch without asking (he didn't really care, after all), he took his time in answering the Doctor.

"I spend much of my time in the Nexus. It's inevitable that ... visitors occasionally show up, for one reason or another. For instance, several individuals I met there still owe me payment for services rendered.

"Not any of you, of course." But it could be, his smile says, if you want me to do or undo anything.