need advice

So no matter what I do I can't orgasm, i am in a wonderful relationship and i am thr happiest ive ever been. But for some strange reason my boyfriend cant make me cum so i tried myself multiple times and i cant do it. I have never came in my life and I really feel like im missing out. :( i have tried all kinds of toys, positions and lubes, litterally everything i can think of. i was just wondering if anyone had advice/experience with female viagra and if they could please share it with me