He chuckles, small as it is. "Oh, sure -- this is all nuts."

Just the kind of nuts they had to get used to. "I guess it's something to do with that...tethering thing? You know. Whatever you have so you can void travel in the first place? So I guessed. ... Maybe it gets weak?"

Somehow? For some reason. He frowns, not feeling very sure about his random guessing.