I had unprotected anal intercourse with a random guy and have anal itching. Is it HIV?

Hello doctor,

I am a 23-year-old guy and worried about whether I am infected with HIV (Human Immunodeficiency Virus) or not. Below are my details. I had a high-risk exposure of unprotected anal intercourse with a random guy. After around seven weeks, I somehow started panicking about HIV infection. I did HIV 1 and 2 antibody p24 antigen test after 53 days of my exposure, which came negative. I was relaxed, but around the tenth week after exposure, I started feeling fatigued, and around the 12th week, I had an uncomfortable feeling in the throat and anal itching. I went to the doctor, and she told me because I am stressed, these things are happening, and I had a bad tonsil. She gave me Azithral (Azithromycin) for tonsil, it got cured, but I can still feel massive throat. I repeated the same HIV ELISA(Enzyme Linked Immunosorbent Assay) test at 12th week (86 days after exposure), which was also negative. Again I went to the doctor around 13th week for anal itching about which the doctor told is a fungal infection, which can be due to sweating and moisture in that area. She also suggested I have few ulcers on the back of the tongue and prescribed me regular gargle and antifungal cream to apply around the anal opening and said to me to join the gym to improve immunity. My questions are, can I consider my seventh week and the 12th week fourth-generation HIV ELISA test conclusive? Or I was tested negative because my body was unable to produce antibodies till 12th week as my symptoms started around 11th week. Are these symptoms HIV-related? My doctor told me not to worry about HIV, and as I was very much stressed, I think noticing the signs; she told me this to alleviate my stress; otherwise, why did she tell me to join the gym to improve immunity? I think I have a weak immune system because this was told to me during my childhood days as I frequently fell sick during that time. Can this be the reason that my body did not produce antibodies till the 12th week? The doctor told me that people usually get a positive result by the 12th week if infected, but I am still scared of seeing my symptoms of throat and fungal anal infection. Should I go for retesting? It will be the 15th week now, and I am afraid of getting this positive seeing my recent symptoms. I am still feeling slight joint pains and weakness. Can these be due to early HIV infection? I am anxious. Am I HIV infected? Please reply.