i really need advice

i love love love my boyfriend. lately we have been fighting so much. i realize now that i feel very distant from him. he has said ive been acting weird with him the past week and a half but i just didnt understand how i was being different. i realize it now. i just feel so disconnected from him. im hurt and im sad. idk what to do, idk why i feel disconnected and idk if i should tell him. please please help me