That summer.
She got a neat short haircut on the grounds that she had to rush for the college entrance examination and had no time to take care of it. He laughed at her for being a tomboy and unable to get married. She said disapprovingly, "Don't be afraid, I'm here with you." He said disgustedly, "I like long hair." She smiled, "How about you marry me when my hair grows to my waist?" He sneered at her lack of reserve, but curled his lips in a smile where she couldn't see it.
A few years later, her hair has grown to her waist, but the handsome young man she once was has never returned.
It turns out that things have already changed.