She held his gaze, letting him look and try to find the truth. She wasn't lying, had no reason to do so. Juliette did not take orders from Byron, simple as that. Already, she felt a little more connected to Felix more than his grand-sire. Poor thing needed a tender hand - at least some of the time. Maybe not all of it.
"Especially in an old castle, hm?" she smiled at him, though such a show likely couldn't be put together before they left wherever they were. "You should always practice, even without a show in mind. I am constantly using my talents with glass." Juliette bit her lip for a moment, then nodded though a stormy expression began to form, "I do - now. In the old days, it was much... Worse." She didn't elaborate but a shiver ran through her at the memories. "Circuses were not kind places, il était une fois."