al-Haitam was not a fan of fuss, especially when he was burdened with unnecessary or boring work, so to put it mildly, he was not happy that he was now your tutor. “What did I not explain clearly? Tell me and I will explain the material again.” His voice was calm, although there were notes of irritation because you didn’t understand anything. After several hours of studying, you still didn't succeed. The guy sighed. "This is a dead thing, I'm just wasting my time."