leaving too."Followed immediately.Lu Yao tightened her fingers. She had called out to Pei Sinnan twice, but the boy hadn't heard her.Pei Sisun stared at the boy's departing figure for a while, then re...cted to diagnose this kind of illness for his students one day. He couldn't help but sit down and take out his notepad. He pursed his lips and said, "When did you first notice you had these symptoms"Q...