He had thought about it earlier and decided that it would be better to thank Dr. Ding in person.
So, for the first time in both his lives combined, he did something completely out of character, he snuck out during self-study period.
For someone as well-behaved as Rong Xingyu, skipping class felt thrillingly rebellious. His palms were slightly damp with nervous sweat.
"No need to be so polite," Dr. Ding said as he sat behind his desk, the faint smile in his eyes visible even through his clear lenses. "I just mentioned it to Professor Lu. He's the one who likes to get involved in everything."
Rong Xingyu sat obediently on the small stool, his back perfectly straight. He shook his head firmly. "No, I still have to thank you."
Dr. Ding looked at him.
At that serious and polite expression, he found him utterly endearing.
Such a proper little thing, he thought with amusement. All these formal thanks, how adorable.
"Do you want to stay for a while?" Dr. Ding asked casually.
