[header] How to convince your parents to let you pierce your nose [title] Be sure about your decision. [step] If you're going to convince your parents that you're ready for a piercing, you have to show them you're mature. Mature people don't back out of their decisions because they get bored with them. 
A piercing, especially a cartilage piercing, is a long-term commitment that requires daily maintenance. Make sure that you're informed about the entire process in advance.