But... that's just the thing. You had a goal, not a long-term plan.
With that you would have set yourself with activities that stretched the span of your endeavors, say for half a year each week I lose 1 kg. I do that by eating this, exercising like that, etc. Then, things start falling apart with the hurdles you mentioned, and you adjust your plan by changing recipes, trying to find more fitting clothing, etc. So, you adjusted your long term plan to still reach your goal.
The point this article is trying to make is that you shouldn't stick to your plan but rather keep in mind your goal and change the plan along the way.
It is just an example. Simplification is a useful didactic/communication tool.
Project I normally work on span tens to thousands of people but they are usually very complex to give as examples without spending some more time thinking how to best explain it.
With that you would have set yourself with activities that stretched the span of your endeavors, say for half a year each week I lose 1 kg. I do that by eating this, exercising like that, etc. Then, things start falling apart with the hurdles you mentioned, and you adjust your plan by changing recipes, trying to find more fitting clothing, etc. So, you adjusted your long term plan to still reach your goal.
The point this article is trying to make is that you shouldn't stick to your plan but rather keep in mind your goal and change the plan along the way.