Storm wouldn't try to force it. But she had said her peace and that was all that could be done in the situation. If he was afraid to be casual for fear of personal harm or accused betrayal, then she wasn't going to be able to force him to think other wise. And she wouldn't attempt it. 'Good man' she thought, having not given him the benefit of the doubt. However kind and un-Brotherhood-like Galen seemed, he stuck to his guns.
She calmed herself a bit, which in turn soothed the air and caused a tickling breeze the play through the foliage of the plants in the glass room. Her eyes were back to their crystal clear azure and Thorn seemed to be recovered from his discomfort. Good. "There were plenty of ways - but mostly through Cerebro." The machine was no longer a secret, not between the X-Men and Brotherhood, anyway. She wasn't sure if it ever had been. "Professor Xavier used Cerebro to pick up on certain powerful individuals that might've eventually (or previously) caused harm to themselves or others. He sought out those mutants in order to help teach them how to control themselves and to help them fit in better in the only society that we had." One controlled by humans. "Sometimes us professors would spot a flare up, something peculiar in the news and that would eventually lead to a new arrival." She smirked a bit, but kindly. "And a good deal of our students have found themselves at our door through their own doing - whether through word of mouth or an ex-student, etcetera."