Normal

“You know what's tiresome? The voice I hear in my head all day long.”
“Is it, uh, your voice you hear?”
“Well, of course. I'm not crazy, you know.”
“Let's investigate that.”
“How?”
“Have you ever noticed that it's saying things you already know?”
“No, I've never noticed that.”
“Ah. That's normal.”
“So ... not crazy, then.”
“I didn't say that.”