lololol
Your parents wouldn't get mad if yoyu need glasses because its not your fault if you cant see.
you dont need one
If you need it for school or it would help with school that may help you convince them, but you cant convince everyone you should also hear them out on why they wont buy it.
WikiAnswers will not help you to deceive your parents.
You must succeed in the things your parents are telling you about and also try not to say each second for your parents i need a cellphone .
Sometimes parents dont see beyond the society. Society is made by us for us, we are not made for society. If you want to convince your parents for your love marriage, first you need to believe in what you wanna get into. Once you are sure. go ahead and make your parents see and believe where you wanna be. Obviously they will refrain, but you need to keep trying. Never give up to their pressure, you will only regret all your life.
Explain why you do. Most people don't need it, so you need to show why your needs are special.
You cant convince your parent's because they have a good IQ your parents not be tricked by anyone.
You need to tell your parents that you will get a laptop for school work or college. They will usually help you buy it or buy it for you
You probably won't be able to convince your parents to let you buy explicit music. You can have them listen to the music first and have them approve the songs they think are least objectionable.
Just do it. At 18 you don't need their permission