A: Dear son,you finally come back!
B: Oh,mum. I miss you so much. You know, the food there is terrible. I think about the dilicious turkey that you make all the time.
A: Oh son, what a strong smell you have. You take alcohol? Oh no,and you smoke?
B: Oh mum, I...
A: Son, you did touch alcohol and smoke in the past time. What happened to you?
B: Er...
A: I think you had better give them up. There's mothing good dong this.You are just killing yourself.