to so called no regret messages which to so called no regret messages which you to so called no regret messages which you are pretty sure we ll be good which you are pretty sure we ll be good things and generally do no harm almost good things and generally do no harm almost for good things and generally do no harm almost for sure. so hand washing became almost for sure. so hand washing became very rapidly, even by the time became very rapidly, even by the time we became very rapidly, even by the time we were engaged, highlighted as an obvious time we were engaged, highlighted as an obvious thing to try and slow transmission. so yes, that would be an example transmission. so yes, that would be an example of a no regret. it is hard an example of a no regret. it is hard to an example of a no regret. it is hard to think of examples of washing your hands hard to think of examples of washing your hands doing much harm. no,| your hands doing much harm. no, i c