Drink lots of water. If you have coffee keep having coffees. Avoid refined grain based carbs at all costs. Not sure what you mean by a keto plateau? If you do a true fast that makes you enter ketosis then there are huge health benefits. I have now gone 4 winters without catching a cold. Family have just all had their winter colds again, I have once again avoided it. The act a regular (true) fasting ensures your immune system is operating at its peak.