I'm demisexual too. But I consider myself very sexual though. I have strong libido, lots of sexual fantasies, and ever since I was a teen, skilled in the art of self pleasure.
However I didn't have sex until I was 23, and that was with my partner, who I had known for 5 years beforehand. Who I had originally felt was "just a friend" until my feelings unlocked suddenly when we had reached a certain emotional bond. He's the only person I've ever had sex with, and I'm 29 now. Circumstances have made it so that we only were able to spend a month physically together. That time was divine. We realised we were soulmates. Yes, they are real.
Now in a few weeks I will be moving to the other side of the world to be by his side once more. I can't wait.
Do I want to have sex with him? All the time. I burn for him. And when we're together I want to have sex all the time. It's supreme, transcendent, holy, primal, and intimate beyond words.
It's so special and beautiful with him that I don't want to have anything less with anyone else. Even though I want sex so much, I don't want to make what we had less special, for me.
But I don't regret being demisexual, or the life I have chosen. I have given myself more orgasms than most women ever have in their lives. It's a wonderful feeling and I enjoy it.
But sex? With someone else? It's soul merging for me. I understand it isn't for most people. But for me it is. And that's BEAUTIFUL. I can't wait to be with my love again and experience it again.
Be true to yourself Bensu. The demisexual life is different for the norm, but you don't "miss out" on experiences. You just experience different things. Ones that feel right to you.