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.
Painslut vs substitute painslut. As suggested, after every 74 hours of torture painsluts would undergo a recovery period of one day. During this time there will be a “temporary painslut” assigned to owner.
