Is this what a relationship consists of?

I'm very very confused. Ive been in a relationship for about a year and 2 months now and I feel like we belong together. yes, blah blah its highschool and plenty of fish or something, i hear that enough, but for the time being, I feel like my boyfriend isn't what i thought hed be. He checks my facebook and goes through all my messages and whatnot and he gave me his fb info. but i feel uncomfortable looking through his stuff. he'll decide he wants to swap phones and hell look through my pictures, messages, and he asks why i dont go through his but i just dontlike to. I have a dirty confession. I cheated on him once when we were on kind of a break and he blames that for the constant facebook checkinf but that was many months ago and hes looked through my facebook before then. he goes through my emails and virtual school account too. he used to tell me when i can/cant wear makeup, he still doesnt like me to wear a bikini to the beach, and he doesnt really let me talk to people who he thinks likes me. This one guy i befriended at school said through fb that im adorable and he made me stop talking to that kid, and i feel awful doing this to people. he says all he needs is me, he doesnt need friends to be happy and why i cant be the same and i feel so awful for being social at all. i recently changed my facebook password mostly because my mom doesnt like this at all but my boyfriend got so insecure and freaked out throwing f bombs in texts one after another and later i gave in and gave him my password and he made me feel really awful about it. i hate saying this but im afraid im not as happy with him as i used to be. He does the cutest things sometimes like leaving love notes at my doorstep but it doesnt block out the fact that he brings up everything ive done wrong all the time(like wanting to be a veterinarian instead of a doctor with him) and i need to know is this a real relationship or is there something wrong. Sorry its so dang long but i need help
Thanks soso much