Dont I deserve SOME privacy?!?!?!?

I'm a fourteen year old guy. I keep a journal. I always have. And everytime my mum finds it and she reads it! Don't I deserve any privacy? I was forced to come out to her (I'm gay) waaaaay to early. She kept asking me why.. I had no clue at that time! Geez!! anyway, how can I tell her that I need some privacy? Do I deserve some?