You mean this comment?
"Conversion was a matter of days for me, but it did take 6 months for antibodies to show on a test. A test 3 months out was neg"
the guy does not say:
-whether he had other instances of unprotected (including oral) sex after his 3 months test
-the guy does not say what kind of test he used (i dont trust those home kit tests)
-the guy does not say when he was infected. tests were way less sensitive before mid 90's