I'm a pens-and-notebooks power user, and I know exactly what you're talking about. The trick is, whenever you're writing anything, add notes for your future se

I'm a pens-and-notebooks power user, and I know exactly what you're talking about. The trick is, whenever you're writing anything, add notes for your future self to make sense of whatever you're doing. It's like adding comments to explain your code. It's a little extra effort and bookkeeping but it makes old content so much more valuable!