Cass looked at her, frowning to what she meant. His eyes widened considerably when the coin dropped.
'Merlin, no, Percy would kill me!' he exclaimed with a laugh. 'Or worse, kick me out of bed.' He shook his head, no that definitely wasn't an option. 'Though we could be just our usual touchy selves and let people think what they want, then promptly deny it,' he said with a wink. 'Nothing to spread a rumour faster than denial after all,' he said amused.
'And it is very Slytherin of us, isn't it?' he chuckled. 'Well possibly apart for the whole Gryffindor-thing. I think they might just want to kick us out of Slytherin for our choice of partners.'