You should communicate with your parents more, understand your father's thoughts and your mother's thoughts, and then persuade your father to say to him, "If you don't want to see your mother lying in the hospital with a heart attack because of you, don't drink and smoke any more." Scare your father with such words, and then in the meantime, you should be a sensible child, don't make mom and dad angry, try your best to help them, make them worry less, chat with them more and make jokes. I am like this every time my parents quarrel ~ hee hee.