Never orgasmed. Advice?

I've never came. I've foreplayed, I've used my finger to penetrate, I even bought a vibrator! I noticed that penetration didn't feel good to me. It doesn't hurt...I just can't feel anything. It's as if my vagina is numb. I have a boy friend, more like friend with benefits, but I'm a virgin. He's fingered me, played with my clit, gone down there, but I haven't even came close. I don't think. I haven't had an orgasm. 19 years old. I enjoy playing with my clit, but that's about it. Should I get checked out? Any advice is appreciated, thanks.