This guy, he's switching concepts again! Not even three sentences in before he's back to his old tricks!
But she knew, arguing with a fool is a mark of insanity, arguing with a maniac is a sign of foolishness, and arguing with Yu Zexiao is both insane and foolish. He simply drags you into his intelligence and logic, then defeats you with his vast experience. Being stubborn with him hasn't got a shred of benefit!
She glowered at him irritably, not wanting to speak with him anymore!