It was hard to tell what Mystique meant by her actions - her mutation was always visible, though she could have easily chosen to hide it, and though she generally adopted a middle form that gave a greater nod to conventionality. It wasn't a question, therefore, of using her abilities or not, and whether she did it to impress or simply to amuse herself was anyone's guess.
"I'll hold you to that," she warned, a general pleasantness in her eyes belying the frown the crossed her face. She didn't need to be strict to mean things. "And I would like to be kept up to date with what you're trying. Two minds, and all that."