I go from one health obsession to the next. All of this in just the past year or so:

HIV. Had a risky encounter with someone and I got tested once every 3 months since. I do not have HIV.
Diabetes. Got my blood sugar tested and I am not diabetic. 
Sjögren's Syndrome. No testing done to make me think I have it. Solely thought I had it because I have dry eye syndrome that was previously diagnosed as ocular rosacea back in 2016.
Liver disease. I had a few dots on my body that looked like jaundice to me. I do not have liver disease as I've had AST and ALT levels done.
Problems with my teeth. I thought I had a tongue thrust and it was pushing my teeth forward. Dentist told me my teeth are straight. I do not have a tongue thrust btw.

Now it's that my hair is falling out and I have scalp patches. Logically I know I do not because I can visibly see that I do not have patches in my hair. 

I realize I am delusional deep down. I know this. But it doesn't stop my brain from trying to convince me I have something severely wrong with my body. Once I get over one obsession it's instantly on to the next one. I'm constantly asking people for reassurance and they probably think I'm insane. I feel insane.

These issues have caused me severe discomfort and I can't have one peaceful day without my brain telling me there's something wrong with me.

I'm so tired.