Do No Harm Days

I have a deeply wise friend who has coined the term, Do No Harm Days.
These are days when we feel at our lowest ebb. Whether it be chronic pain, fatigue, depression, or the simple wearing down of life....those are days when we feel unproductive at best - testy and reactive to the slightest rub or demand.
For parents, we hope to Do No Harm during our lack of patience and high irritability, allowing for excessive tv watching or video playing, maybe frozen food for dinner or less supervision than ideal.
At the end of the day, we can remind ourselves that this is not the new norm. Tomorrow typically replenishes itself. We can catch up later. For today, we haven't been terribly useful or optimal in function; but we also have not done harm.