Arris looked at the walls around us and said, ‘I bet we could knock one down if we wanted.’ Of course, I said, if it’s sound. She strode to each surface, knocked and listened in turn. ‘Well, they all sound amenable to me.’ Her laughter fell out and furnished the room around me, her dreams and intentions colouring everything. ‘We’ll start from the middle and work our way out,’ she said. ‘Making and shaping space as we need it.’ Knock down whatever you want, I told her, I will build the pillars to keep the roof over our heads.