In my youth, dancing was one major way of meeting somebody. If you fancied someone, you asked her(rarely him) to dance. If the person you asked didn't want to dance with you, then they simply refused. Granted, this was a definite blow to your ego, but it seemed a sort of civilised way to go about things. If the person accepted, then you danced and talked. If you both were still attracted to each other, then one of you either invited that person to a drink at the bar or asked her/him for another dance. In this way many people met each other and relationships took shape. I actually met my wife like this, and we became engaged about ten days later.