While Jiraiya had been aware that she had overheard his conversation with Kakashi, he wasn't aware that she had overheard at least one conversation with Naruto as well. Although it wasn't hard to overhear Naruto, considering how easy he made it... She wasn't kidding about her hearing being good. If other patients had hearing of a similar quality, then he'd have to be careful.

He let out a sigh, but then grinned a bit. "I can guess what you overheard with Kakashi. Now, with Naruto... It's easy to overhear him, really, so I wouldn't easily know which conversations you could be referring to...."