"Actually, I've been watching you." Zi Wei still showed no emotion on her face. "But you never looked across the street."
"I'm sorry," Zi Lin lowered her eyelids, "I just know that there is fog across the street and I can't see anything."
"But you forgot one thing," Zi Wei lit up a cigarette, and then looked at the smoke slowly rising into the air, "Don't you still have a heart?"