I'm Scared

I'm not sure if anyone is reading these author blog posts, it sorta feels like yelling off the side of a cliff... but I figured why not just be brutally honest in here and see what happens?
So I'm going to just say "I'm scared."
I've written at least a dozen books by now, my third published book comes out in June, and it scares me. Not because I want it to be an instant bestseller, which is really a mirage created by expensive marketing campaigns and big publishers. Not because I want my readers to love it, because I know that this yummy alpha hero is so dreamy and swoony--if you like Romance you can't dislike him. But I am scared that I won't find "my readers" I don't have a marketing degree, or a bottomless pot of gold for advertising. I'm new to the publishing business, and I'm trying to learn all the things. It feels boastful to remind people I have books for sale, but it also feels like I don't want to let my characters down either, or my publisher. But it does scare me. Not enough to quit, but enough to voice it.
But if we aren't pushing ourselves or trying something scary once in awhile wouldn't we just get bored?

~thanks for reading.