Birth control bar

Cortney Lyric • Hey, I`m the cutest, thank you.?
So Im in highschool and my boyfriend and I were talking about when its right for us to...well ya know...get it on...and since Im a virgin I wanna know that Im extra safe and I know birth control doesn't protect against disease but yeah...I live somewhere where I can get a bar free without parent consent,,,But does anyone have it,,,advice??? Please god bless