About a month ago i had unprotected anal sex with my ex boyfriend i was the top...now im worried i may have exposed myself to hiv, prior to this we hadent talked since july 2013 and i got tested In august 2013 and it came back negative and after that i didnt have sex with nobody else until this recent hook up that we did...i know he have been having sex with other ppl...i just need to know what was my risk if he is infected with hiv, since the encounter ive gotten sick, sore throat with fever, headaches on and off and just a sick feeling in my stomach and tender lymph nodes in groin...please help me me anxiety is driving me crazy