Less related to the Pro/client dynamic but actually related to this statement is that I actually have done this from the Dominant side of the kneel. The fact that I am a switch who has a female sub who lives in another part of the country is not usually relevant to discussions on this board, but a core part of our relationship is about getting her in shape.

We met through a group on FetLife that was specifically for subs looking for a Dominant to help them get in shape / lose weight. We originally met about 8 years ago and i helped her lose 100 lbs. After that she asked to be released for unrelated reasons, but we stayed in touch as friends.

Unfortunately, over the years she gained it all back (and a little more) and it really frustrated and angered me until it all boiled over and I literally ordered her back into my service (this was definitely a CNC move as it wasn't a negotiated thing). Last year, she lost over 40 lbs and I expect that progress will continue.

For my own part as a sub, I have never had that kind of dynamic with a Domme (and do not want it). However, years ago, when I was working out heavily I specifically utilized female personal trainers because I would literally run through brick walls to please them whereas a male trainer would just make me passive aggressive and actually work less hard.

These two experiences tell me that this kind of behavior modification can be rewarding for both parties. I take a lot of pride in the way I have helped my sub become a better version of herself. On the other side, I can definitely see how My very detailed control over her (and my own trainers literally standing over me and telling me what to do) is incredibly motivating and fulfilling to a submissive who truly wishes to change.