16 yr old having sex with a 22 yr old

okay so me and this guy, he's 22 and I'm 16. me and him are super duper close friends. like hella hella close friends. we text and FaceTime all the time and most of the time it's super pg. but then one night we were both horny and he drove over to my house at 4am and we fucked. then that same week we fucked four more times. is that bad?