I'm 99% sure I have endometriosis

So I haven't been to the doctor to get the official diagnosis but I started tracking my symptoms when they started back in December/ January and endo is the answer that comes up when I research my symptoms. I know I have to get surgery to get this taken care of but I'm utterly terrified. But the pain that comes during my menstrual cycle is miserable. But oddly enough, when I start my cycle, my belly button also bleeds, that's how I was able to pinpoint what it was that I had. I carry on at work like normal but it's so hard because the pain is sharp when it hits