How will I know?? *updated*

FTM here. I'm breastfeeding my 8 month old and I just don't know what to think. She had a fever wednesday till saturday and nursed all the time. Due to this my body produced more on sunday and monday. I got engorged several times during the day and had to hand express to get some relieve because she wouldn't want to nurse that much (she went back to the frequency pre fever). Then today on tuesday it seems as if she doesn't get enough. How do I know when I'm starting to dry up?

UPDATE

Found some info online and thought I would share it.