Well, you are 22 years old according to your profile. I understand the fact that you aren't financially able to go out on your own and that is why you are still living at home. Similar to the advice given above - if you want to be treated like an adult, then approach issues in an adult manner.

The one item that I want to point out is this - you are still living in their home, and you shoud respect them and the rules that they have for you. This is where the "asking for permission" comes into play. You may be old enough to do what you want, but at this moment you are dependant upon your parents for a place to live, food and whatever else they are providing for you.

Do your share of the housework - perhaps you can contribute to some expenses while saving for a place of your own? If they want you in the house by a certain time - even though you are an adult, respect that rule. If there are certain "chores" like dishes, garbage, laundry - contribute, don't expect to be waited on like you are a teen. I know that you didn't say that was what is going on, but to be a productive adult in the household will show them that you can be treated like an adult and perhaps open the door for more adult conversation.

__________________
A blessed thing it is for any man or woman to have a friend, one human soul whom we can trust utterly, who knows the best and worst of us, and who loves us in spite of all our faults.