The first thing you should do before speaking to your partner is finding out why you are unhappy. Once you are able to tell your boyfriend you are unhappy, you two can talk about what has to be done in order for you to be happy. You may catch your partner off guard when you bring up the situation, so try to be the bigger person and avoid getting into a big fight. Make sure not to leave anything out when you have this conversation as you want your boyfriend to fully understand what led to this. After everything is out in the open, ask your boyfriend what he wants, tell him what you want, and get closure. Don't let this situation drag on for months, find a solution as soon as possible.
Are these rules and changes familiar to you? Is his parents’ marriage like this? Did something change in his life short after your wedding? Honestly, have you seen any sign of these trades of his personality before the wedding? If your chemistry is so amazing, what kind of hurt and time is he talking about? What is he talking about :0)? After reconciling not too long ago, what is causing the problem now? The old stuff?
Then, breathe deeply and ask yourself if there's a bit of good will to work with. If so, you may want to throw down the gauntlet and demand change. You never know. I remember one woman who threatened to leave; it led to over twenty years of sobriety for her husband. Most successful cases are less dramatic. Couples get into therapy, start to enjoy each other again and begin to let go of past hurts.
Our instincts can often tell us first when a relationship just isn't working — but we don't always trust that voice, says couples therapist Susan Pease Gadoua, co-author of The New I Do: Reshaping Marriage for Skeptics, Realists and Rebels. "We often ignore our gut instincts because that voice is very quiet and calm, unlike the internal voice in our heads that thrives on high drama." We're trained to trust logic in many areas of life, so when a niggling feeling ("Am I really still in love with this person?") presents itself, it's hard to pay attention to it because there aren't any hard facts or rational reasoning. Drill down on that initial instinct and ask yourself more specific questions. If you find your responses are things like, "I don't feel safe to express myself, I don't feel respected and haven't felt happy in a long time," that's a sign that things have gone awry — and you shouldn't ignore it. "The truth doesn't go away simply because we don't want it to be there; that voice stays in the background and weighs on you," says Gadoua. "Getting quiet within is key to being able to hear instincts. And like a muscle, the more you trust your gut, the easier it becomes to decipher that voice — which comes from your heart — from the voice in your head."