Well, I had incest in my family and a situation, when I was 19 or so - a female doctor age 65 gave me "heroin substitution" (which was strictly forbidden at that time - 80ies) against sexual favors. I had no other choice. I try to imagine what you feel and can fully understand that physical love is just out of question. But now, look - I am old now and all this is many, many years behind me. The world has changed so have I. Today love does have a complete different meaning for me. Its not sex, - it is absolute trust, harmony, honesty, caring - everything that is good. Even an occasional fight - it will end in peace. We share everything, we have everything together, we do everything together.... Sex has become a way to only show physically what we feel. It is not the "sex" which you can get everywhere, at any time... I hope you find this one day.
It may just be hard for you to find friends who respect this at the moment. If you want to continue to live with this feeling is up to you. Some of the things of our childhood / teens will never leave us - they are so deeply engraved in our mind that it is very, very difficult (impossible) to repair them. Unfortunately it seems its more common and happens more often than we all think - but people rarely speak about it. Search for a group with similar experiences - there are plenty.
Maybe this is why I liked the film "Thelma and ******" so much.