Ilde's expression turns quizzical as Wolfgang veers off on that mental tangent at the end-- Is that a good idea or a terrible one, happening in your head?

This is probably one of those standard questions that she applies to most of her friends, for various assorted reasons; 'terrible' is a very, very broad category that doesn't always necessarily mean she thinks it's bad. At least not the sort of bad that doesn't get indulged, anyway.