Why is my boyfriend hiding photos of all his ex girlfriends and secret admirers?

Why is it that my boyfriend is hiding photos of his ex gfs and won't tell me. I has a portfolio of them. I have ask him to be honest with me and be up front. I came a crossed a cd and looked at it. I was shocked. I have not said anything to him yet. We have been dating for over a year now. I have asked for an commit with him. He still has not done nothing. We get along great have a lot in common do alt together. I just felling so used right now. Help me understand... please
Why is my boyfriend hiding photos of all his ex girlfriends and secret admirers?
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