Erik doesn’t dance. Or rather, he will quite vehemently tell anyone such. He is always the silent observer, however, and he knows that a proper gentleman should always have a few dance steps at his disposal should the occasion ever arise. Let’s face it, he desperately wants it to arrive but assume it never will. His daily movements are very practiced and coordinator, intentionally, he’s very aware of his body and the space it occupies. And yes, he has found himself waltzing without a companion just to prove to himself that he *could*.
Plus, how else could he properly critique the chorus members/ballet dancers without having some knowledge of what they need to do?