The tide comes in so slowly you can’t see it, until your towel is soaked. Small habits work exactly like that.

Habits are invisible at the scale of a day and undeniable at the scale of a season. Nothing you do tonight shows up tomorrow, which is why the good ones and the expensive ones are equally easy to keep, and why people feel ambushed by results they built themselves one evening at a time. The change is never sudden. Only the noticing is.

Take a habit you have held for six months and multiply it out to a year, honestly. Then shift one of them slightly, not dramatically. Check at the end of the month rather than tomorrow, because that is the only scale where it is visible.