Did

"Even better. He must like you.""I think so, but it's hard to tell. He's always so cryptic," I threw in for his benefit, sighing."I don't know how you're brave enough to be alone with him," she breathed."Why?" I was shocked, but she didn't understand my reaction."He's so... intimidating. I wouldn't know what to say to him." She made a face, probably remembering this morning or last night, when he's turned the overwhelming force of his eyes on her."I do have trouble with incoherency when I'm around him," I admitted."Oh well, he is gorgeous." Jessica shrugged as if this excused any flaws. Which, in her book, it probably did."There's a lot more to him than that.""Really? Like what?"

"Which, in her book, it probably did"

What does it mean?