In their first year of high school, Shen Tang and Gu Shenyu became desk mates, one in front of the other.
She remembered how he blocked the teacher's view when she nodded off. She remembered the warmth of his fingers when he took the water she handed him after a 3,000-meter run. She thought all that stood between them was a single sentence.
Only later did she learn that she'd never again have the chance to say that sentence.
Throughout their three years of high school, each of them wrote an entire book of letters in their heart that they never sent. On graduation day, they both thought,