I can totally understand getting in to the music. I know I do and I think it's a shame that there are people that seem to dance as if they are dead or walking like they are dead and feeling nothing, just doing the steps.
Then there's the other end of the spectrum. The over-excited lead (or follow). Though I am talking about over-excited leads here. The leads who get so in to what they are listening to that their whole body goes haywire and starts to send distracting signals, compromising the embrace, posture, and their lead....Arms usually become involved at this point and give the follow a bad ride. Luckily, my balance is not terrible and I have learned over the years how to compensate a little so I am not entirely pulled to pieces...but...