My girlfriend is slowly taking over my freewill. I don't do anything without asking & I'm starting to love it?

I feel powerless to stop this process, which seems to be on purpose. I think she wants to dominate me and make me totally submissive to her before we get married. The more she does this, and makes me more emotionally dependent on her, the more I want it. I am beginning to see everything her way. She makes me want to be under her control and surrender all to her. I feel brainwashed, but also very happy. I brought this up once and asked her permission to have a discussion about it, and she told me that this is natural and men are supposed to obey women. I am starting to agree. Is this true or am I being brainwashed?