The Doctor scratched the back of his head. "Oh, I dunno. Some people just like conversation. I'm a fan of conversation, in fact. I do enjoy a good conversation, conversation's...good. Very good."

His eyes narrowed at the security guard outside the window. Refusing a donut? Was he on a meat-only diet? Hmmm...

"What, readings? No, no, nonononono, I don't think that'll be necessary! Just...mild antacid, and I'll be on my way."