She sounds awfully calm about that potential loss of control and he's impressed by that. He supposes he would be too, well externally anyway if anyone asked, but it does sound honestly terrifying. Losing control is one of the things that's nightmare fuel to him.

"They do, and I could, but.. I've genuinely not thought about singing. I'm not sure I'd ever need to?" Considering his soft, soothing voice he'd probably have an extremely beautiful voice. Alas.

"Oh that's clever. I suppose neither of us will know if the other is lying but... That sounds amusing. Terms accepted."