Nine days is easy. Anyone can hold a new routine for nine days.
The test comes when the flight is delayed and the child gets sick and the whole scaffolding collapses on a Wednesday. What you do on the Thursday after is the real measurement — not whether the streak survived, but whether you came back to it without needing a ceremony first.
Change looks less like a rising graph and more like a dotted line. If you've restarted the same thing three times this year, that isn't three failures. It's something you keep choosing, which is rarer and harder than doing it perfectly once.