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"Around 1:30," Ou Xingzhuo shook his head, "still haven't cracked that problem. I'll continue tonight."
"Don't you get sleepy during the day?"
"I'll find time for a nap at noon," Ou Xingzhuo said, shaking his head, "If you keep exercising, you naturally have more energy."
"I'm not saying..." Li Zheng couldn't help but look down despondently, "you're so strong."
"I know that," Ou Xingzhuo chuckled, "Self-discipline isn't that hard, it just becomes a habit after a while."
"I mean in every way," Li Zheng said, pressing on his leg, "so cocky and so strong, I respect that."
"Eh, it's just so-so," Ou Xingzhuo turned his face away, somewhat embarrassed, "I... actually, I've said this to a lot of people, I'm just working harder, that's all... I really can't compare to Shi Yang, Wu Shu, or even you for that matter, at least in terms of talent for organic chemistry and experiments... but no one believes me."
"I don't believe it either."