"Oh," Charlie said blankly. Okay, this was weird. But... it was only once, and she'd known he was kissing other people, and... Don't be stupid. "I didn't, I mean." She blew out a breath, and looked at the cat, not able to meet Isabel's eyes. "I do. But. He's got someone. He's totally and completely not interested in me at all. Except as a friend."