Why My Parents Never Understand Me???

Every teenager have their own dreams. I also have my own life and own dream. But why my family never support what my dream is? Today I discuss with them about my little dream. I want a car. I want buy my own car with my own money. But at the end, no one support me, but why? I don't understand at all. Why? Why? Why?

Their say worry that I can't afford to have it. I don't understand. I can't? What made you say so? Since I step in to commercial life, I never ask for a single cent from them. Never. Now, I want have my own transport. Why stop me? Why don't let me have a single of dream. I hate. I really hate...

Who can understand me?