When I wrote about Habits and to never miss twice a habit, I thought of my personal rule
read twice
to ensure that I keep the information I read in my mind. Especially dates for appointments or regarding forms to fill out. You can never be sure that you forget something or did some wrong spelling or just to collect the information incorrectly because you were distracted.
I started to make it a rule since a friend of mine and me went one day ahead to the airport because of a flight only because we both had the wrong date in mind. If one of us had just read another time the date of the flight… So since then we made it kind of a rule to just
read twice