Draco shook his head. She didn't get it.  "They really should have called you the most oblivious witch of your year" he plucked a long piece of grass from the edge of the pool, twisting it in his fingers, avoiding her gaze.  "You never really  saw  me. How I felt about you" he clarified. Disclosing this felt like a sin, a criminal act that once done, could never be undone. 