She didn't exactly call him interesting. What he was saying was interesting to her. If that was the same thing, then so be it. But, there was definitely a distinction there.
To his question, Rielle just shrugged. "I don't know. I just do, I guess. Probably because you don't want me to." It was incredibly annoying and frustrating and she just wanted to pull her hair out thinking about how fucking mysterious he had to be all the time. It drove her crazy. "Or curiosity. It's a curse," she echoed him.