Chen Yuli hated Wen Heng the most when he called him "Teacher Chen" when he did that. After he woke up, he grabbed his hand and called him "Li Li". Wen Heng liked his polite manner the most. Even if he was drunk and unconscious, he would not forget to say thank you to him. Since he wanted to thank you, he wouldn't be polite.
Purpose: Love yourself in all your ways