I fit for them — Brewing

I fit for them-1
I seek the Dark
Till I am thorough fit.
The labor is a sober one
With this sufficient sweet 5
That abstinence of mine produce
A purer food for them, if I succeed,
If not I had
The transport of the Aim-
(F.1129/J.1109)
[1] fit:: to supply with something that is suitable. them:: drinkers.
[2] seek:: to search (by trying, tasting wine). Dark:: heavy in alcohol.
[3] fit:: a sudden and violent attack of a disorder.
[4] sober:: not drunk in the process to make wine (but drunk by the result).
[6] abstinence of mine:: less water.
[7] purer food:: higher percentage of alcohol.
[9] transport:: the state of being carried away, by the process of the wine making, and the seeking.