A new habit does not click into place in a week. It takes longer than most people expect, and that is exactly why so many shops start posting keenly and stop by the end of the month. If you know it will take a while, you can plan for the slog instead of being surprised by it.
Researchers followed people taking up a daily habit and found it took a median of sixty-six days to feel automatic, with some needing far longer (Lally, van Jaarsveld, Potts and Wardle, How are habits formed, European Journal of Social Psychology). Two months, give or take, before it stops feeling like effort. The lesson is not to try harder. It is to make the thing small enough that you can keep doing it for those two months without burning out.
Ash Wednesday makes the same point from the customer’s side. Anyone giving something up for Lent is in for weeks of effort, not a quick win, and the business that keeps the new choice easy the whole way through is the one they stick with. You can see this on the Ash Wednesday run-up. Your own posting habit is no different: keep it easy and you will keep it going.
So make each post as small as it can be. Not a project. One photo and one line. If your weekly post takes two minutes, you will still do it on a rough week. If it takes half an hour, you will skip it the first time you are busy, and one skip is how the habit dies. Small is not lazy; small is what survives.
Keep the shape the same every time, too. Same day, same slot, same kind of post. When you do not have to reinvent it each week, there is far less to put off. A habit is easier to keep when it is a routine you follow than when it is a fresh decision every time. A florist who posts “this week’s bunch” every Friday has a shape to fill, not a blank page to face, and filling a shape is quick where starting from nothing is the thing that gets skipped.
Expect the wobble around week two or three, when the novelty has worn off and it has not yet become automatic. That is the danger zone, and knowing it is coming helps you push through it. If you miss a week, do not treat it as failure and quit. Just do the next one. A habit is not broken by one miss; it is broken by deciding that one miss means you have failed.
A caution. Do not judge the habit by early results. In the first couple of months you may see very little back, and that is normal, not a sign it is not working. The value is building quietly in familiarity and goodwill, and it shows up later. Pull the plug at week three because “nothing is happening” and you stop right before it starts to pay off.
The short version: a posting habit takes a couple of months to feel natural, so build for the long haul, not the first burst. Keep each post tiny, keep the shape the same, expect a dip in motivation and push through it, and forgive the odd miss. Make it easy enough to keep, and time will turn it into something you just do.
The hard stretch is the couple of months before it feels automatic, when it would be easy to quietly drop. Give the routine a fixed home so it survives that: print the free A4 calendar, mark your weekly slot, and keep it on the wall where it stays in sight until it sticks.