back again for clarification

I know many of you said i had a low to no risk situation where i gave oral to a guy for a while not to completion but definately precum.  I am also male.  I have had multiple tests and really the only reason i had them is for at 2 weeks post oral i got a sore throat.  This has stuck with me now almost 9 weeks later.  my mouth also burns and i have little white ulcers in the mouth that have been a problem in the past 9 weeks.  No fever, nothing else.  My pcp thinks that the sore throat and burning mouth are a sign of ARS so he told me to come back and have a 6 week then 3 month test.  Well, I came back at 8 weeks (again after several antibody and pcr tests).  He gave me an antibody and pCR test.  Both came back negative today.  I thought i was in the clear.  The PCP is now saying that because of my burning mouth he really thinks the test might turn positve later and wants to see me at 3 months and 6 months to test.  my questions:

1.  Is there anything two a burning mouth and ulcers being the only symptoms of ars?
2.  Is a 3 month not conclusive?  Why 6 months?
3.  I would think that at 8 weeks most antibody test like the one i had would be postive and if my symptoms really are due to ars that the pcr would be positive.  But apparently this GP thinks differently.  Opinions?  

Personnally, I dont know what is wrong with my mouth.  It is bothersome.  But I am getting more confident by the day in my tests and less confident in this MD that really believes i need a bunch of tests at 6 months and I think he thinks I have hiv of these symptoms.  I hope I am wrong about him and he is wrong about me

thanks in advance

[Teak]

You never had a risk of contracting HIV. See your doctor if you are concerned about your signs and symptoms.

[BigMistake1]

Sore throat and white spots in mouth are common with mono

[lanvin]

All due respect, your pcp sounds like a nut. Get a new doctor. YOu don't have HIV