Try to pursue a relationship with your partner without worrying about sex at first, tell them you want to take it slow and try to get to know them. There is all kinds of research to support the fact woman feel more comfortable with intimacy when they feel an emotional bond with their partners, and that woman self report feeling less satisfied or even regret having casual intimacy.
That's hard. I'm sure you'd like a relationship and sex is usually a part of that. Have you had a boyfriend ever? Some people do have a sexual aversion and there would be a spectrum to that. Asexuality is something that exists. There are degrees to it. https://www.healthline.com/health/what-is-asexual The article I linked also has different types of attraction. Take a look at it (copy and paste the link). Do you feel any of the different types of attraction? Our society is so sexualized, it makes it hard. You can still have a meaningful relationship as you work on this. I know it is hard to talk about but if you can make online therapy work (talk space, Better health, etc.), it would be so valuable for you. Now or in the near future.