Oh, there were so many ways to answer that question. "Not usually this sparkly. And in need of a drink." He smiled a little ruefully. "Nate Novarro. I'm a TA." He would shake her hand, but he was pretty sure that he would accidentally glitter her, and he wasn't entirely certain how she would feel about that. It didn't seem to go with her costume.
Speaking of which, "May I ask what you're dressed as?"