Welcome to HCM.
If your sexual exposure during August is an absolutely protected one from the beginning to end (intact position of condom over the penis without any tear), then you need not worry about HIV
. If you have any doubt about the protection, then you better have a screening for HIV infection. Otherwise it is not necessary.
Your dengue fever
, subsequent tonsillitis
node enlargement, weakness may not be necessarily due to HIV, but may be due to air born infection from the lady contact herself or from elsewhere.
Unnecessary worry about HIV only the cause for your lack of concentration in your studies and the lack of the performance in the gym.
To get yourself clear, have a HIV screening and with the negative test every problem will come to an end.
Get well soon.