From what I know of myself, and also what I know from others You don't just give up being CD. You might be able to hide it, make it go dormant for a period of time, purge and then when it resurfaces back to square one! You do know that If you weren't slipping into your wife's or girlfriends panties after the purge you know the thought will always on your mind. Then BAM! New panties, and so on!
Bottom line is that you can't give up what is part of you for the sake of anyone but yourself! If you do it for the sake of saving a relationship the consequence will be to your own detriment. You will feel resentful, deprived, and at a loss of yourself.
I wish you the best with your situation, it is only you who can determine what you can live with or what you can't live without!