He is good at math.
Don't be too anxious. You are too young. You should focus on your studies and don't be infatuated with boys. Although he is excellent in your opinion, it is not worthy of your affection for him, because he is still young and boys mature later than girls, so his future development direction is uncertain. Maybe in a few years, he is out of tune with your world view, and you will go your separate ways. You may regret it.