First, he'd need to figure out what is a "good" and "bad" reaction, which is mostly about reading very subtle expressions. The whole thought experiment is a bi

First, he'd need to figure out what is a "good" and "bad" reaction, which is mostly about reading very subtle expressions. The whole thought experiment is a bit weird, because the range of dancing skills on display in the typical nightclub in all the parts of the world I've been to recently is really not that large.