I used to think character showed up in the dramatic moments. The honest answer in the meeting. The brave decision. The cinematic pause before doing the right thing. Then I became a parent and discovered that most character is formed while somebody is asking for a snack.

The prompt on my desk says 10,000 small repeated choices. That number is not a scientific speed limit. It is a useful nudge: formation is usually less like a lightning strike and more like a path across a lawn. You walk it again and again, often without noticing that the grass is changing.

Habit researchers describe something similar. In a real-world study, people practiced a chosen eating, drinking, or activity behavior each day in a consistent context. Automaticity grew gradually, but at very different speeds: the time to reach a person’s plateau ranged from 18 to 254 days. Missing one opportunity did not ruin the process. Repetition mattered, but perfection was not the price of admission. The study is a helpful antidote to the internet’s favorite habit myth—that everyone needs exactly 66 days, or some other magic number.

That distinction matters for character. A child who puts one book back on the shelf is not becoming a librarian overnight. A spouse who pauses before answering is not suddenly a saint. But each small act is practicing a response. The cue arrives, and a slightly better path becomes easier to find.

There is some evidence that the practice itself can strengthen self-regulation. In one study, college students spent two weeks practicing a small exercise such as monitoring posture, regulating mood, or recording what they ate. Compared with a control group, the exercise groups improved on a later measure of self-regulatory capacity. The result was modest, not magical. Still, it suggests that discipline is not only a personality trait we either inherited or missed in the family raffle.

More recent work helps explain why repetition works: practice can strengthen the link between a recurring cue and a response. Researchers found that greater task practice was associated with stronger cue-response associations, which in turn supported performance. The brain learns the route we keep taking.

So what might this look like at home? Pick one tiny response and give it a familiar doorway. After dinner, ask one good question before reaching for the phone. When a mistake is named, say, “Thank you for telling me,” before explaining. On Sunday night, write down one thing you received and one thing you repaired. The point is not to turn the household into a monastery with better snacks. It is to make the next faithful move visible.

At the end of the day, an examen can be wonderfully ordinary: What happened? Where did I repeat an old groove? Where did grace—or simple patience—open a new one? What did it mean? That the small choices were not small to the people living inside them. What can I carry forward? One repeatable act, attached to a real moment, with room to miss once and begin again.

Ten thousand is a lot of choices. Fortunately, we only have to make the next one.