Hi,
Your approach is absolutely great!

, by association you will always remember the interpretations.
I don't know how much time you have every morning, but maintain a journal and write your thoughts in it, for a specific card. Do your day and once you get back home, relax, consider your notes, equate the situations, investigate the possible keywords of the card as you see it, write it down. Keep doing this, and soon you will have the whole deck in your head! Just keep in mind the deck you are using and the possible differences, adjust these only after good contemplation.
I'm sure your thought drifted to "How do I derive an upright and reversed interpretation?" Perhaps you should consider that whatever happened may have changed if it happened differently, remember, upright and reversed is not always the exact opposite.
Blessed be.