a: what are you doing...?
b: i m watching TV.
a: no! i mean what s in your hand?
b: remote control?
a: No! i mean on your other hand!
b: a cigarette.
a: Yes! Since when you start smoking?
b: about 5 years ago!
a: Do you know how bad for your health when you smoking?
b: emmm...kind of...why?
a: I dont want you die with cancer!
b: Dont worry about me, i ll be fine...
a: You should quit smoking! like right now!
b: i ve been smoking for so long. i cant quit any more...
a: You must quit! it s not only bad for you, it s also bad for other people around you when you smoke!
b: smoking is too important to me, i can not live without it...
a: all right.