Good call! It's something I've been thinking about for a while, partly because of comments from other ADHD people. We do some bdsm adjacent (I don't really know where the line is...) stuff cause be partner likes to be treated rough. I guess it helps keep me focussed, cause there's more variety and stuff to do, but it also leads to a lot of meta thinking and second guessing "was that too much? Was that too soft? How long have they been in that position and is that going to actually harm their neck..."
Maybe being in a sub role would be kinda relaxing because of the lack of control / responsibility, but I prefer the Dom/top role, and my partner is 100% the other way. I do think it's easier when there's more novelty in general, just being somewhere different or my partner wearing some new outfit I find hot helps. But making stuff different everyday would soon get exhausting, while changing my imagination is quick and easy.