My first time

Patient: Im a girl and all my mates have had sex and everything else. i am the only one that hasnt had sex but my boyfrind who ive been seeing on and off now for a few moutnths want to have sex. but its my frist time and im scared about it everyone slags u off if u have a “bush” but i have also heard that ur ment to have one during sex. do i have to shave down below or not its very confusing