NSFW Sexual Thoughts

Does anyone else feel really overwhelmed by sexual thoughts? They scare and confuse me. Ever since I was little I was disturbed by the concept of sex and now that I’m older (21) and people are actually doing it, it’s really quite scary to me. The worst part is I’m not asexual, I do have a sex drive of some sort, but I wish I didn’t. The thoughts I have are really confusing and I just don’t understand why I’m like this. I was just wondering if anyone could relate