What to do!

I don't know how in the world I will ever deal with the teen years. lol The older the kids get the more protective I am and it drives them crazy. I know that I am to protective over all three of the kids, but I just feel that this day and time you have to be. God gave me my children and He expects me to protect them with my all. What am I to do? Do I stop being protective and let them learn own their own, or do I stay the way I am. Please somebody help me!