Welcome to the forum and thanks for your question. Thanks for reading other threads for questions similar to your own.
Going first to your closing comment/question: indeed test results overrule symptoms in judging the chance someone has HIV or other STDs. This is especially true for HIV; your test results prove unequivocally you did not acquire HIV during the sexual exposure you are concerned about. That conclusion isn't qutie as rigid for some of the others STDs. But combining the inherently low risk from any single exposure and lack of symptoms with your negative test results, they amount to 100% proof you were not infected with any of the infections for which you were tested. In fact, you have bee rather seriously overtested; it is time to stop. And you are exactly correct that "the tingles are to be disregarded, and the sweat pimples (singles ones) on butt and legs should also be accepted as pus/folliculitious as per the Dermatologist".
To your specific questions:
1) No, don't have any more testing. Below is the link to a thread that discusses HIV test reliability at various intervals after exposure, and explains why testing at 6 months is never necessary.
2) There are no blood test results of any kind that have any effect on the reliability of HIV testing. The HIV tests are just about the most accurate diagnostic tests ever developed, for any medical condition.
3,4) Yes, 16 weeks is reliable for HSV-2. The figures you quote are actually a bit too optimistic; the HSV-2 IgG test isn't that good. However, as noted above, it is not just the test result but the combination of exposure history, test result, and absence of symptoms that suggest herpes that make me 100% confident you were not infected.
5) I don't know whether you're asking about Western blot for HIV or HSV-2, but neither is necessary. For both infections, WB is not intended to confirm negative results on the standard tests, but only to confirm positive or equivocal results that don't seem to make sense.
So all is well, no worries. Please continue (or resume) unprotected sex with your regular partner and don't have any more testing of any kind.
Here is the thread on HIV testing: http://www.medhelp.org/posts/show/1704700
Regards-- HHH, MD