I agree with you once started it is best not to stop.
But here we were discussing time between flushes. Instead of 2 weeks if you take 1 month or even two months between flushes that is ok. Andreas has often said you body will indicate the required time between flushes.
With some people 2 weeks may not be enough time for the stones to travell down from the rare of the Liver. Your body does tell you when it is ready to flush again.