She thinks he's rather entertaining. He isn't afraid to say what he thinks, or to ask questions people would usually avoid, and she finds that trait admirable in humans. Besides that, he has made her laugh, and that's always a plus because how often does a really old vampire find something genuinely funny? Not very often, believe me, because I'm sure she's heard a lot of jokes in her time.

Overall, she wants to learn about him, but she's half-tempted to not do so because he's funny now, and what if he isn't after she gets to know him? But she'll probably ask more about him anyway, because she's a curious creature.