This is due to the fact that the receptors need time to reset and the Clen will not be effective if you do not take a break, and there is no guarantee your receptors will ever be the same.
Lokhu kungenxa yokuthi ama-receptors adinga isikhathi sokusetha kabusha futhi i-Clen ngeke isebenze uma ungathathi ikhefu, futhi ayikho isiqinisekiso sokuthi ama-receptors akho ayoke abe okufanayo.