September 22, 2026

Week three is not the test

You decide to eat a mango every morning with your tea. Three weeks in, it still takes a little effort. You start to wonder whether it will ever feel natural.

It will. You’re just early.

One distinction helps here. A full meal never technically becomes a habit, though it can absolutely become easy and enjoyable. What can become close to automatic is one small action tied to one steady cue. Cutting a mango while your tea steeps is exactly that kind of action.

Give it time. It takes about two to three months of repetition before a behavior like that becomes fully automatic. Three weeks is not the test. Three weeks is the part where it’s still supposed to feel like something you’re doing on purpose.

You also don’t have to be perfect. Missing a single day here and there doesn’t restart the count. What builds the habit is the total number of mornings you cut the mango, so a skipped Tuesday costs you one morning and nothing more. Just try not to let one skipped day turn into two in a row.

Try this:

Try to eat one piece of fruit each morning at the same time. Mark your progress on a habit tracker and see how many days you can do it without missing a day.

If the streak breaks, pick it up the next morning. The marks you already made still count.

—Keith

KeithAHerman.com

If you have questions or topics you’d like me to address in future emails, you can reply to this message. I read and respond personally to all replies.

Keith A. Herman is the founder of the Expert Diet Project, an initiative dedicated to correcting health misinformation by spotlighting the advice of the real experts.

The Eat Like an Expert Newsletter, the Health & Well-Being Journal, and Keith’s upcoming book, Eat Like an Expert, are all part of the Expert Diet Project. The book is scheduled for release in 2026.

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