August 25, 2026

What happens after you brush your teeth

You already do dozens of things every day without thinking.

You make coffee.

You brush your teeth.

You sit down at your desk.

You take off your shoes when you get home.

Each of these automatic behaviors can become a trigger for a new habit.

This is called habit stacking. Instead of trying to remember to eat fruit “sometime today,” you attach it to something you already do. The existing habit becomes your cue.

Here’s how it works. If you make coffee every morning, that’s your trigger.

Every time you start the coffee maker, you also grab a banana or an apple.

You don’t decide whether to eat fruit. You just eat it while the coffee brews.

The key is choosing a trigger you never skip.

Brushing your teeth, walking through your front door, sitting down for lunch.

These happen reliably, which means your new behavior gets repeated reliably.

Some examples to try.

After I pour my morning coffee, I eat a piece of fruit. After I sit down at my desk, I drink a glass of water. After I take off my shoes, I prep vegetables for dinner.

Notice the structure.

After I [current habit], I [new behavior]. The current habit does the work of reminding you. No alarms, no apps, no willpower required.

Try this:

Pick one trigger you never miss and attach one eating behavior to it this week.

Let me know how it goes.

—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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