Taking the test

I know I am pregnant. I know my body. I am NEVER late. And it's been over a week since AF reared its ugly head around here which is a good sign but I haven't actually taken the test. I am TERRIFIED of a negative result.  What if it's just all in my head and these symptoms are something else and my period is late due to stressing over whether or not it would come?😫😩😩😩😩😩😩