Sex is a very confusing subject, it is so complex and so deeply embedded into our subconscious. I have always been confused. The first person I found myself really sexually attracted to was the woman who lived next door to us when I was in my early teens. Had my first sexual encounter with an older man I think partly to show myself that I wasn’t a lesbian.
Confusion is natural, don’t try to force yourself in on direction or another, you are who you are, and time will sort things out.