She laughed. "Idiot," she said warmly, but did as she was told. She set up her little case of watercolours on the rock, and managed to forget all about Malfoy again as she fell into the routine of dipping the brush in the water, mixing the colours on the paint case’s lid, and adding the minimal elements that would capture the scene. She sighed with pleasure when she put the last touch of ink on her sketch.