You try being calm when you're freezing your shell off!

The turtle reemerges from the snow, shakily pushing himself up and sputtering. "Not even a scarf-!" he not quite wails before he works at getting back out of the snow again. It's so hard to move when it's so cold.

"...oh g-good, I don't think I'd put much of a f-f-fight up on the account that I can't feel my fingers," he finally replies to Dustin, eyeing him to make sure he's not just imagined him. If they really are on an alien world then that would explain the lack of odd looks or screaming. Talking giant turtles are probably the least strangest thing here. Maybe.