Just a thought. She may not realize that an EA is just as inappropriate (sometimes worse) than a PA. She may have herself convinced that as long as there is no physical aspect to the R, it isn't "cheating." You may need to be prepared to school her on that. Perhaps Puppy or someone here has a good one-line explanation that you can use with her if she tries to justify the R.
I used to derive the same satisfactions from going to the gym when my M was a SSM. I understand you and feel for you.
