I had unprotected sex before 2-3 years i was fine unless i saw the symptoms of hiv at youtube i didnt got all the symptoms but i start to worry after that i went to take an Ag/Ab hiv test after more than 2 years of exposure it came negative then i did another Ab test at another lab one month after the first test it also came negative its mean i did the tests after 2-3 year of exposure so am i really negative? Because ive got stress that even i cant eat nor sleep so please help Thanks