"Technically, yes, by law you are. On paper, you are, but to me? You're not, and if I ever make you feel that way you let me know, of course, right? While I do have expectations of this..." Hands making a gesture between themselves, "Relationship, I do not intend for it to be solely for my purpose, and entirely for you to be without enjoyment."
The Doctor suspected most of what he said fell on deaf ears because frankly? He wasn't exactly the poster child for anti-slavery, but that wasn't to say he didn't have his reservations. Inside that head of his? Who knew how it really worked.
Watching her he shrugged, "I have my reasons for keeping a slave at all, and I know you don't want to hear those, nor care, but I am entirely truthful when I say you are not a piece of property to me."
Clicking his tongue he then grinned, "And which have you read? And yes, well I've collected them throughout the years."