Oh, Ian hasn't even scratched the surface of worrying things John does. He only gets worse from here.

"Do you know where we are?" he giggles, with all the weight of somebody who's got a secret. "No, you know what? I can't even say it out loud. One minute I was on Moya, and the next ... boom, hailing frequencies open. Wait a second, the same thing happened to you? You don't know where Earth is?"