Sinusitis Regression?

So, yesterday I went back to just 16oz of apple cider vinegar tonic rather than the 32oz I'd managed the day before, and today I felt fine - until I started drinking my coffee. Lots of sinus and tooth pain. I'm concerned; what if the previous success of my natural sinusitis treatment venture was a fluke?

Now, I did wait until after coffee to start the vinegar water today, whereas previously I've started sipping while my coffee water was heating up. And, once I did start sipping the vinegar water, the pain subsided almost immediately. I've decided that today I'm drinking the full 32oz. I suspect that I may have done the trick that I often do with antibiotics: As soon as I start feeling better, I get lazy about remembering to take the doses. Anybody else have that affliction?

I've started to prepare for my first attempt at copying clothing. I'll fill you in when it gets past "I'm gonna do it" stage. Which is...soon.