One thing I've learned is that it's possible to approach other dances the way Argentine Tango is supposed to be danced. There are no patterns if you lead well, and the follower follows your lead (or even doesn't). BUT, if I am doing Two Step, I would REALLY like it if the woman does quick quick slow, slow no matter what else she does. No matter how many turns or pivots, or changes of direction we do, we always end up on the "same" foot: I step with my left, she steps with her right. This way she doesn't have to look at my feet when we end some weird combination that feels right at the moment. Of course the man has to keep doing the quick quick slow, slow, or be good enough to compensate somehow when the "pattern ends". Every time I get someone to go with this program, they start being able to follow really complicated stuff that is, again, done as an improvisation. This same guideline works for the other dances I do (except AT of course). Often my partners will get weirded out, but if they just stick with the basic pattern of steps, letting their feet take turns and doing quick quick slow, slow... it all works out. Anyhow, I think most of us are on the same page here.