How to tell my controlling mother that I want to move in with my boyfriend?

-I am turning 20 this year, I don't yet have the money for it, but I've got a job, and am working on getting another one. I want to move out. It's not so much that I want to move out with my boyfriend so we can enjoy living together, but I want to get out of this house. My mother is very controlling, my dad is pretty laid back. I have a brother, I cannot stand living with him either, he is turning 21 this year. They let him do whatever the hell he wants, and when it comes to me, they tell me that they let him do what he wants because he is older than me. (by exactly one year and 13 days -_- ) That excuse is lame, when we all know it's because i'm a girl and have a boyfriend. I'm a good kid, I go to school, have a job, and a hobby(I dance) and go to competitions so I'm pretty serious about it. My boyfriend supports me and travels with me to competitions. He even recently started coming to classes to try it out and get involved as well. We've been good friends since freshman year, and we began dating senior year. We are now going into our second year in college and he's getting tired of his parents, and I'm getting tired of my parents, along with another friend of ours. She and my boyfriend are really good friends, they me through me because she is my co worker. She is gay so I don't have to worry about him cheating on me with her(haha). Not that he would cheat on me with anyone, we are really good friends and a couple at the same time so we can talk about anything. I guess the reason I am explaining so much is because I wanna get it out in the clear that all my circumstances are basically perfect, minus the fact that I have a crazy controlling mother. After about a year of saving, I feel as if I will be ready to move out with my boyfriend and co-worker, but how to go about explaining this to my parents without them thinking I just want to move in with him and get married and have kids or something like that. It's not about him, it's about me.Look, you're 20 years old. You parents cannot really control what you do anymore. If you have the money, and you know you are responsible, then get ready for the move. It is simply not up to your parents at this point.



Good luck with your move! xx (: