What’s the issue here?

There is nothing wrong with a hook up turning into a relationship because people have done it. Sexual compatibility is important in a relationship right? So therefore there is nothing wrong with a hook up turning into a relationship? We hooked up then he said I would love to get to know you more and take you out to dinner and he never did. So strange and when I asked him why he never answered. He just blocked me. I would like to have sexual compatibility before getting into a relationship because that’s how I am. Nothing wrong with having sex on the first date right? So why is he ghosting me after? So strange because there is literally nothing wrong with me at all!