First, tell them that you feel inferior for a long time because of this incident, which has affected your normal communication activities. Let them really know the importance of self-confidence in a person's life, communication, career choice, work, love and marriage. It's best to find a book that can profoundly explain this problem or a story that has similar experience with you, so as to hit your parents and let them understand the importance of this problem to you. Parents usually face this problem because they think their daughters love beauty or follow suit.

Second, take the time to sort out the information about why this operation is safe, and let them know that you are not impulsive, but take this problem seriously.

Do these two things well, and your parents may be more anxious to take you for surgery than you are.