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Getting yourself to start. Deciding well under pressure. Holding attention. Repairing a conversation. These are solved problems, and the answers sit in journals nobody reads. Here they are — each graded by how well it actually replicated, cited to the study, and cut down to the two or three moves you can make today.
All of the above is inert until it is attached to a moment in the day. This is the minimum version.
Each of these is still quoted in books, talks and training decks. Knowing why they failed is worth as much as knowing the laws that passed.