[ He gives a look of understanding to the first part, and then chuckles at the next thing said. ]

I thought it might be something like that. That's very clever.

[ Aeryn looks up at the sky for a moment. ]

My mother used music to communicate, as well. She had over thirty songs, each with a unique meaning. We'd know just how long to stay away, where to meet her afterward, and what to be prepared for when we got there. All done with humming...

[ With his eyes closed, he trails off. It could be easy to assume he's dozed off, but his breathing patterns imply it's more like he's remembering. Unfortunately, it doesn't seem to be an especially happy memory. ]