Jillian followed Lainey outside. Still giggling at how she looked, she raised her hand to answer the professor's question. "So as not to expose the magical world to the muggles. I mean, we wouldn't want the muggles to misuse our magical capabilities." she answered. "Oh and we don't want them to get their hands on magical items too. Without proper briefing on how to use wands and stuff like that, who knows what trouble that would cause!" she added.