Gen smiled happily as Penny agreed. She did so enjoy sharing her stories with her sister- most of them, at least, for there were a few that Gen refused to share with anybody, including her sister. It wasn't that she didn't trust her sister, merely that there were some stories that hit a little too close to home, and she felt that sharing them would only serve to embarrass her or some of the people she wrote about, and she didn't really want for that to happen.
She slowed to a stop as Penny spoke her nickname and blinked, confused. "On my mind?" Was she really that obvious? Oh, she had hoped that she wasn't- and what should she say? She couldn't lie to her sister- her twin- but she wasn't even sure of herself. "I-"
Gen gaped a moment, opening her mouth to speak and then closing it, fidgeting just slightly. "There's- I'm not even sure, Penny." She was quiet for a moment, trying to collect her thoughts. "I hadn't realized anybody could notice."