Rachel frowns at that. It takes a moment before she understands - waking up in a small room with only one exit, making leaving the room an active choice. Which isn't much of a choice, the only alternative being to sit in the room and starve. Or go mad with boredom and restlessness and anxiety until the recklessness kicks in.

Or she could skip the first three entirely.

"Is this a Milliways thing?" Rachel asks after a moment, looking away from Jo for just a moment, trying to peer into the hallway.