Pansy looked up at him. 'Harry, you've been here for ages. And several people already know. Someone else was bound to find out, if you think about it. And Cass won't spread it around, if we ask him not to,' she said reasonably.
Smirking a little, she said, 'You could have told him you were babysitting,' she pointed out. 'That Draco insisted you do it because I wouldn't leave her with anyone that couldn't protect her.' After a moment, she shook her head. 'No, that would hurt Mil's feelings, I think. I'm glad you didn't say that.'
She had to laugh at Cass's tenacity and suspected he was sniffing out threesome possibilities. That meant he was either interested in Harry, too, or he was already doing him.
Great. He'll sleep with her Slytherin friend but not look twice at her. She was beginning to wonder if Draco knew what he was talking about.....
She shrugged. 'Looks like we have two choices. We tell him the truth. Or we go with what you've already told him,' she pointed out. 'If we go with what you've already said, he'll want in on it. And if we tell him the truth, he'll decide why waste the opportunity and still want in on it....'