What you are doing appears fine and its what we all do.
I know there is a feeling of urgency to flush frequently and hurry things along but I have read recently that the body will adapt to changes in the diet and produce more or less bile from the liver. Therefore if you take oo/gj regularly it will have a supply of bile waiting, probably from the liver alone if the gb is week. If you leave it 2/3 weeks then the oo/gj is a bigger surprise to the system and makes the liver and gall bladder work harder together to meet demand.
(If a flush feels that it is incomplete and/or the stools turn pale then an immediate flush would seem to make sense, otherwise patience may be a virtue.)
The aim of the flush if you have stones in the gall bladder is to get it to work to the maximum. If it has been in poor shape it may take quite a few flushes to get the reflex working effectively.
You could increase the amount of oo/gj as it may be below your threshold from 4 fluid ounces each of oo and gj to 5 fluid ounces (or even more if you can stand it). But leave it two or three weeks for the liver/gall bladder to recover. Some of the more experienced flushes take a second dose either the same night or the next morning but you don't want to over do things; wait until the gall bladder starts firing