what is that i have?

I had sex unprotected sex with a woman 3 days later I got a bump under my ear. I want the doctor 9 days later they tell me there was a virus and my body fight the virus. I went home all happy then I was on the internet and I can't stop thinking about HIV its say on the internet is a early symptom I got crazy I will not eat alot I got into a depression. I think a pass 1 week I went back to the doctor to get a permission to get the blood test the next morning I went to go get a blood test at 11:52 the nurse tell me to go the next day to go get the blood test I was scary and crying all day just thinking about it all day I couldn't go to sleep. The next morning I got the results and it was negative I was happy I when to church and pray to god and make promises to him But then 2 weeks later I kinda noticed