Hello God Bless you , you will survive longer than any one else; As you mentioned that now a days you are taking every precautions for HIV infection and for your own health. Prognosis i.e. LIFE EXPECTANCY . Depend on many factors . According to DHHS practice guidelines ,a CD4+T cell count less than 500/microL is a clear indication to initiate antiretroviral therapy .While the CD4+T cell count provides information on the current IMMUNOLOGICAL STATUS of the patient, HIV RNA level predicts,what will happen to the CD4+ Tcell count in near future. So the measurement of plasma HIV RNA level should be made at the time of HIV diagnosis and every 3-4 months after that ( so not measured in your case previously . please get it at now). Now you are taking ATRIPLA keep this treatment regularly as advised by your physician . The most important thing to be noted in HIV infection i.e. patient the problem of OPPORTUNISTIC INFECTIONS IN AIDS . These are pneumocystis jirovecii pneumonia , toxoplasmosis etc . Life expectancy is more than 20 years till now , this is scientifically proved . Regular monitoring and regular medicine , avoid opportunistic infections will prolong life . Hope this will help you. Good luck.