Aria didn't miss that he waved at another girl. But, she managed to keep her face composed. [i]It's not as if he likes you, you dummy! Just be glad you're getting to talk to him at all![/i] She frowned. "Little sister? Oh, right. Karina. You're Karina's older brother." Aria swallowed hard and took a deep breath. "I helped her with her math homework a lot when we were in elementary school, before she made friends with all those popular girls. She still hung out with me when no one was looking, but her friends caught her with me once and wouldn't let it go. So I stopped talking to her, like they wanted... But I kept listening. I'm very good at listening to people when they don't think I'm there. Last year, when she was nominated for prom court and it looked like she would beat her friends, I overheard them talking about how she was going to "get what she deserved." One of them asked another to find an excuse to get her to go onto the roof, to work on a poster or something. I wrote her a warning, left it inside her locker. Somehow they found out about it... The day before she "fell" one of her friends cornered me and put a pocketknife to my throat... "If you tell..." was the warning. I was too scared. I should have told the principal, or warned Karina. But I couldn't." Then she realized how much she had said, and bit her lip and looked down. "Sorry... I just... I felt like you should know..."