Hello doc, i had an attempt to have unprotected sex with a girl i was courting, though my cap was almost in before she said she was not ready for sex. this happened august this year. since then we have been depreciating in weight. though she started loosing weight in may. but right now , its a thing of concern about the change.i increased the way i eat, yet still, i feel my body loosening up as the day passes by. i have tested for HIV and its negative. i need help or clue on whats going on.