How do you explain to non-frum relatives why your simcha will have separate dancing?
What is the level of the issur on mixed dancing? Minhag? D'Rabanan, D'oraita, etc.? What about separate dancing but without a mehitza?
If the men and women aren't dancing together, is it strictly required that there also be a mechitza between them? If so, why? What guidelines would this mechitza have to meet? Or is it simply a smart ...