I know sometimes life is hard, sometimes you get treated unfairly. Please think about what you do have, you may not want to hear it right now but you are very lucky. If you have all these things and your parents are working and can afford to give your sister a car your family is lucky. Many pepole are struggling right now. I lost my dad to cancer not long ago, you still have yours. There is alot to be thankful for. Maybe when you graduate you will get a car to. Just hang in there and your hard work will pay off.