Not always. Sometimes they stay behind. Others leave in their place. [ It's an arrangement he doesn't fully understand. But so little in the City is based on logic or reason. He hesitates, then regards her from the corner of his eye. Briefly, but it's an indulgence. If she does vanish after the weekend, this is how he'd prefer to remember her. ] Can you feel others from our world here? I've met three. There might be others.