I dont have any romantic lines but maybe some advice.
As other people have said, it will take time to prove that you arent controlling. The best piece of advice I can give you is to stop asking questions about what she is doing and what she did... I know its almost impossible when you have jealousy and ideas running wild in your head, but control issues usually stem from insecurity and jealousy. Youve got to develop the attitude that "i dont care what she does b/c I have confidence in our relationship, and if im wrong, then I will be glad that I found out the way she was."
The best way to do this is to have other stuff going on in your life. Why? Because, you will care less about what she is doing. Think about it, do you really care if she goes out with her friends if you are going out with your friends? I dont know your situation, but Ive been the "controlling" guy and this was always the case. I became controlling when I gave up my other interests and friends and became too dependent on her.
In the meantime. Dont be nosy about what she is doing. If she wants to tell you, fine. But dont ask questions. Start hanging out with your friends, take up a hobby, or whatever makes you busy. And go back to acting the way you did when you first started dating (I could several pages on this alone). What I mean by that is have fun, dont be jealous and be the type of person that she would want to date.
Hope this helps!
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