Is there any harm in doing the right thing for the wrong reason?
I also ask this question as an open question relatable to any scenario.
Okay, keeping up in shape is not wrong in itself, I can agree. It could be, but let's not get into it now. Let's just notice something that really pops up to me - you judged your own reason for workout as wrong. What does that tell you? Is it justified?
Matthew 12:37 For by thy words thou shalt be justified, and by thy words thou shalt be condemned.