Rogue swallowed her coffee, shivering as the warm liquid slid down her throat. Creature? Was that what Sinister was? He had many faces, but she had never thought of him as a monster. Creepy, maybe, but never a creature. He had offered to help her and how could she betray that when she hadn't even a chance to explore that avenue yet? What if he could help her and she missed her chance? She wouldn't be able to live with knowing her own foolishness could have cost her a chance at controlling this ability inside her.
Anyway she sliced it, she was messing with someone's morals and someone's beliefs. It left a cold feeling in her stomach to think of walking away from Xavier now, but she couldn't go back halfway. It had to be all or nothing. "I can't come with you, Professor", she said quietly, her chair screeching on the floor as she pushed herself up. "I'm sorry."