The two additional days gives us the outside limit allowed for our rule. The third rule is a good rule and it stresses the acknowledgment of trading in the long run and not the short run. Many experts are going to argue with your rule three, as it will surely interfere with their professional trade programs. Most systems say to trust them over a valid time in order to allow them to work properly in the long term. My trading experience has told me to have enough integrity to bail out when I see that everyone starts putting on their parachutes.
Trading is a run-run game.
There are times you have to run before they run. That way there is less chance the market will out run you. Surely the experts have a plan to protect positions at critical times. The third rule just places another double check in a good trading plan. Traders must never be complacent when the market is at extreme volume whether high or low volume.