When we first met, the young man had headphones in his ears and played with his mobile phone with a cold expression.
That look seems to be saying, even if the sky falls, it's none of my business.
When we met again, she was being pulled by her hair and insulted
Although he still had that uncaring expression on his face, he raised his foot and kicked the person who was pulling her hair away.
Purpose: Resolutely resist any violence