You're not missing out, you have the rest of your adult life to have sex with someone you truly love, believe me one day the right guy will RESPECT you for not sleeping around when you were a teenager.
Most teenage boys in every generation tried/will try like hell to have sex with any teenage girl who will put out..but actually don't want a girlfriend whose had sex with most of the their classmates/buddies. I had a very pretty friend back when I was in HS(in the late 70's) who was "popular" with the guys ONLY because she was "easy" and they all knew it, but none wanted her as their girlfriend... while in her 20's, 30's and 40's she used her looks and sex to get guys to like her, so she continued to be a one night stand "empowered" female have a reputation as an "easy lay"... she's now 52 looking old and haggard from decades of always being the party girl, where she never settled down and now hangs out in our local bars dressing like it's still the 80's hitting on young guys thinking she's still hot lol!!!
Trust me, no matter what decade we're in no guy wants his girlfriend to be THAT GIRL whose slept with most of the football and hockey team lol!!!