I don't think every other month makes much sense since you would be wasting half the sessions winding up and winding down. So it would basically be like every other week anyway except even worse because you'd have to go a full month without in between. I don't know about the other option as I haven't done anything like that before. I do know that I often have strong feelings come up after my sessions. It would be more convenient if everything happened during sessions, but that's not how it works, in my experience. If I just had a long-*** session, then nothing, I'm not sure how much I would accomplish. When I'm left alone with my thoughts is when things start going south and the **** hits the fan. I'm not sure there's anything that could be done in session to prevent that for me personally.