[ leia doesn't know what a guinea pig is, but she gets the general gist, and there's a flash of something that has her standing so abruptly that her braid whips around her like a live wire. the empire was notorious for experimenting on people, and even with his consent — she would never. she might have successfully closed herself off to vader's probing, but she can still remember how it felt to be aware of his attempts at prying her mind open in attempt to get a closer look at what tarkin swore she knew. ]
I'll help you, but if you think that I was asking to use you when all I want is the benefit of your knowledge, then you really don't know me at all.
[ walking around him, she stoops low to retrieve her books. ] Contact me when you wish to begin. [ and then she's gone, heading for the exit with the books held tightly to her chest. ]