Though his smirk turns wry at her initial comment, Walter makes no effort to explain his thoughts. It is a sensitive subject, and a sombre conversation at that; there's no need to involve her in such things.
"Wings or gills could be useful." Wings to fly, or gills to breathe underwater. "You could ask the birds about the finer points of flying."
no subject
"Wings or gills could be useful." Wings to fly, or gills to breathe underwater. "You could ask the birds about the finer points of flying."