Hi Sir,this Is Avanish From India,sir I Had Last Exposure

Hi sir,this is avanish from India,sir I had last exposure in 2009,now a days I'm suffering from fever,I went to check HIV in a local pathology,he tested through tri-dot rapid kit,result came negative,it has been 7-8 years already,someone told me after 7-8 years body stop producing antibodies,so my negative test can be false negative,may be i m suffering from HIV? May I? Help me sir asap,