Vianna chuckled along with Ferris as he greeted her. "How was your trip to invisibility land, Professor?" she asked, raising her eyebrows just very slightly. "I missed you a lot," she added a little less playfully, the smile still bright on her face and her blue eyes still sparkling at the sight before her, happy to have the boy visible once again. She was quiet now, merely examining Ferris's features the way she so often did.