She naturally knew, at this moment she realized how big the gap was between her and Yan Heng. He was a king, while she was just... She flipped through some papers and finally found the dusty reference book in the corner. "This book is quite suitable for you, even though it's an old book. Take it and have a look," she said.
The difficulty level of this book was just right for Tianxin. She nodded and said, "Thank you. Do you usually do these difficult questions?"
Yan Heng touched the scarf in his hand, feeling its softness made him feel dreamy. "Occasionally, I can't do some of them. When I feel upset, I do them to relax."
"That's an interesting way to relax," Tianxin said while working on the questions.
"The gift is very nice. I like it," Yan Heng said, looking at Tianxin who was workin
