When to turn AI off — Tutorial to Engineer

1. The premise

There are parts of learning where AI use is not just less helpful — it is actively harmful. In those moments, turn it off. Close the tab. Disable the autocomplete.

Knowing which parts is the difference between someone who'll still be valuable in five years and someone whose skill ceiling is exactly what the model can do.

2. Turn AI off for these

First time through a new concept. When you're trying to form your own mental model of how something works, AI just gives you its mental model, in confident prose. You need to wrestle the idea yourself first so you have something for the AI's view to land against. Read the docs, write your own version, then ask AI to critique it.
Debugging your own code. Not "code AI wrote" — code you actually wrote line by line. Debugging is one of the highest-value skills you'll ever build, and you only build it by sitting with broken behavior until you find the thing. Asking AI to debug is fine after; doing it before is a tax on your future self.
Designing the system. Choosing the shape of a thing — what the modules are, where the boundary is, what state lives where — is the part of engineering that compounds the most over a career. Let AI critique your design; don't let it produce one.
Writing your one-sentence summary. From the last chapter. That's between you and the page. AI can write a beautiful sentence about what you learned; it cannot make the learning land. The grappling is the point.
Practicing recall. When you're trying to remember a thing, the value is in the trying. Letting AI complete the line cancels the rep.

3. Leave AI on for these

Anything you've done a hundred times, anything where the cost is your time and not your understanding, anything where you'd be copy-pasting from your own previous projects anyway.

Boilerplate. Scaffolding. Regex. SQL migrations once you've written ten. Test setup once you know the pattern. Translation between languages you both know. CSS for the millionth flex layout.

In these zones, AI is a productivity tool, and you've earned the right to use it as one.

4. Try it

Pick one of the 'AI off' items from the list above. Commit to turning AI off for that, for the next week, and seeing what changes.

Report back to yourself in a week. The difference will be visible.