"Seriously!" Su was excited just at the news, and Dean's own excitement was more than contagious. "Oh, that's bloody brilliant, we can so do that!" Her brain was already racing with ideas as well, though hers were more along the lines of getting into abandoned houses and all the protective spells she knew from having to break them.
But if she was excited about that, she was more excited about what Dean said next. "WE WERE RIGHT!" She exclaimed, bouncing slightly in place. "Complacens, Slime Juice... same difference!" Even as she was excited over them having been right, she was moving on to what this might mean. "Merlin, you know what would be bloody brilliant? Getting a sample of it. Then we could make an antidote! Do you think they're already thinking about that? I mean Hermione was always pretty brill at potions..." And she and Kevin were pretty much geniuses (she wasn't trying to brag), if the three of them put their heads together...