When jotting down a note for later recording (a date, or an amount for instance), do not assume you will recall what it is about when it comes to entering it into your diary or accounts. Write [...]
Even if you are going to do something straightaway, if it has several steps, write down what you are going to do (especially if there is a chance one of the steps might distract you).
If something has to be moved somewhere else and you are not going to do it straightaway, at least move it part way so that it will remind you next time you pass it.
Don’t ever assume you will remember something (however important / significant it might be). Everything you are not going to do straightaway should be written down, straightaway.
Ask your housemates not to move anything from where you are used to seeing it / finding it. Convince them it might vanish from your universe if you do not see it. (This I find the most scary [...]