If you train your slave properly, you can expect to see this kind of pride on it's face after an intense session of abuse because it's position in life is so thoroughly reinforced that it finds it's purpose in serving and accepting daily punishment.
I just got back from a slave auction. I have to say that the sluts have become much worse in the pay couple of years. Let me know if you have some good girls for sale
AUCTION - Five fresh new subjects ready to be sold. From left to right we have: Alexis, Liana, Elle, Stacy and Crystal. All 18 years old and trained to do anything. Questions and biddings may start!