"Do I dance? Of course!" Zach said with a big smile. "I'm pureblood remember? There is a certain etiquette that we are suppose to all have. We are suppose to know how to dance. I just don't have much time to do it." And he wasn't going to go into details about the dance he put on for Tracey. She wouldn't want to hear that.
"And you're engaging in the act of drinking. Maybe not alcohol but you are in fact drinking, right? So, sure it counts."