Reading guilt comes from treating 'finishing the book' as the goal. Hao Xu-Lie's point in Haovoice EP680: the real purpose of reading is finding your own connection to the material—not page count.
Going back to school isn't the only path for a mid-life career change — and it's not always the fastest. The real question: does the door you want actually require a degree to open?
There's no universal answer on grad school timing, but one question cuts through the noise: are you going to solve a specific problem, or because you haven't figured out what's next?
People who seem fearless about big moves aren't braver by nature — they have richer reference points. They've seen enough people 'do the thing and survive' that the unknown has become an estimable risk. And that's something you can deliberately build.
The concept of first principles isn't hard; actually applying it is. Using three familiar scenarios — the PMP exam, going to grad school, and learning personal finance — Joe from Dadu (大人學) demonstrates three thinking exercises you can turn into daily intuition.