"But you're not just any other person, Viola!" Oliver stressed, his voice at last raising to match his frustration. "You're a very powerful mutant, and if you've forgotten, you were in the middle of blowing up a car!"
He shook his head. "Have you ever thought that maybe the school knows what they're doing? Hmm? The teachers? Do you think we haven't seen year after year of students come through here, students with all sorts of uncontrolled powers just like yours?" He huffed a breath. "You're not ready, any of you, when you're this young -- because look what happened when you did go out by yourself!" He made a gesture indicating explosion. "And none of you -- you don't even know the meaning of having your freedom restricted." He felt his chest tighten even as he let out a breath. "We would spare you that."
At last the volume of his voice dropped again, and some of the heat left his face. He met her eyes. "You're not some child. But you are my child. And I'm disappointed that you decided to sacrifice my trust for -- what? I don't even know." He shrugged lightly.