i need help

hey guys. my bf is 19 and im 18, my bf and i have been dating for 3 years and we only went out like 2 or 3 times which is fucked up. my parents are pretty strict and they wont let me go out with him. i’ve tried talking to them before about it but they refused. its really frustrating and i dont know what else to do.. can you guys suggest ways to solve this problem? please help!