my bf is acting weird...i need help?

[Nat]

hi i'm natalie......i've been going out with guy for 2 months....i don't know why he's acting weird and all....he's always getting mad at me for no reason and he's blaming me saying "u lie SO much, i hate lie-rs, u'll be on my hater's list and ur tha 1st person and all....he wana control me n tellin me i shouldn't do this n that...he hates wen i talk about diff guys..if i say something like "chad micheal murray is soo nice" he'll be asking "do u like him n i knew u wre like this n ur always cheating on me"....he gets mad for no reason...i don't know what's wrong...did i do something wrong...i think he's obsessed with me or something...i mean y would he act like this.....if i tell him to "brb" he'll be like "y u wana talk to other guys now" n he ask me "wat r u doin" n i'll be like "i'm watching t.v" n hes like "i know ur lying n all"....it hurts soo much wen he say stuff like this....i didn't do anything wrong n he's soo mean n treat me like watever...i don't wana be with a guy who treats me like trash.....i just talked to him n we wre arguing cuz he called 3 times and i didn't pick up cuz i was tking shower and i told him tat n he's like "i know ur lying"....i don't know why he's doing this.....does he hve any probs or he just don't wana be with me...i wana brk up with him but im conused at tha same time...i don't know what to do...i don't wana deal with this thing everday...he piss me off all tha time.....i treat him sooo damn nice n he can't evn be nice....tats just soo sad.......