It doesn't need to be all or nothing, a "discussion" about it kind of puts it in that context.
Do not talk to her about it, just do it. You don't need to explain what you are doing and why, in fact doing so is BAD. Let her ask if she wants to know, and keep your response general, something to the effect of "Just keeping my life fun".
Okay, but to me this falls in the category of "just jettisoning her" i mentioned above. In particular, what do i do about the MC. We are already scheduled for next week, and W agreed that after the holiday we should be going every other week at a minimum with "intensives" (2 to 4 one-hour sessions same day) once every 4-6 weeks, as we both (and MC as well) agreed we come out of those more energized and "felling better" about things. Would you recommend just cancelling those without explanation? (we only have two scheduled actually, right now, next week and early January) Continuing to go but being vague about my "fun personal life" (contrary to what MC is preaching to us about full and open honesty)?
What you're suggesting is textbook DB-ing and makes sense... but doesn't seem to account for where W and I are, ummm.... procedurally(?)
H53/W51, R-ing 4/'18
"Do not arouse or awaken love until it so desires"-Sg.of Sg 2:7
"So oftentimes it happens,that we live our lives in chains, & we never even know we have the key"-Eagles III 1:3