Your were born with the commandment of being useful, of finding your worth by being what you were made for, to be as pleasing as you can be to your betters, in whatever ways are demanded of you. Sadly, many have forgotten that, it's only right that you
My sister-in-law, visiting from overseas, didn't think she'd be treated like other women, since she isn't an empire citizen. Our morning walk cured her of that delusion.
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.
