I agree with leacon - parents do tend to revert back to how things were when you lived permanently under their roof. I know my parents do that and I've been living on my own, in another state, with my own job/career for nearly two years! I come home and they still treat me like I can't do anything for myself and give me the same old lectures.

Anyway! Try talking to your parents and tell them how you feel. Confronting them in a mature way will help your case and prove to them that you really are becoming an adult. Your parents obviously love you and care about you very much so I'm sure they'll be happy to work with you. Good luck!