What Is a Crown Prince?

Within the capital city, in an unknown manner, in the front hall.

"Hmm? Up so early?" Gu Santong, upon seeing Zhu Youji, looked surprised and inquired.

"Yes, I haven't slept all night." Zhu Youji sat down in a chair and took a sip of tea.

"Oh? Is it that stimulating?" Gu Santong blurted out unintentionally.

"Pfft!" Zhu Youji spurted out the tea, coughing several times. "Cough... cough..."

"What's wrong?" Gu Santong, puzzled, looked at Zhu Youji's coughing, scrutinizing him with meaningful glances, the implications clear in his eyes.

Truly, he was the perennial youth, or rather, lacked respect for his age!

"I didn't sleep!" Zhu Youji emphasized the phrase once more.

This time, Gu Santong, an experienced old hand of ancient times, finally grasped the meaning of the phrase.

"Hmm? Didn't sleep?"

"What's going on?"

"You've taken all your medication, yet you haven't slept?" Gu Santong, wearing a puzzled expression, furrowed his brow. "Are you feeling unwell?"