Ah. He was new. Arthur paused for a second. He couldn't explain everything from in here. For one thing, he'd get a pain in his neck. "Of course," he said. He gripped the edge of the pool and pulled himself out, crossing over to the towel he'd left on a chair and patting himself vaguely dry.
"Sorry. It is - complicated," he said. "I never know where to start. You are on a ship that is travelling through the stars. And - well, now we are in a different universe, whatever that means exactly. It is the ship, it... takes people, no one is sure why. But for now there is no way home, I'm afraid."