That's... quite the compliment to say, even if it's possibly meant a little as hyperbole, and Ritsuka's face reddens a little. Fortunately, however, Lancelot's question gives her a convenient distraction to focus on.

"Sort of... You have to learn how to recognize your emotions and the energy they produce, then how to control it. Figure out what sort of effects it causes normally and then find ways to copy or change them, and only make it happen when you want it to."