You studied very well, you knew chemistry especially well, even better than the teacher, whom you, to put it mildly, hated for lowering your grades for trifles. And all because you exceeded even his intelligence and knowledge of chemistry, and Sano didn’t like it. *Once, during class, you were sitting and solving something while the teacher, or Sano, was explaining something, but you know this topic well. But somehow everything calmed down and you looked at something happened and suddenlу.