it is because there is little to no follow up after that goal was hit. right now i can name you five people i work with who are on some kind of diet. the problem is many diets come to an end.
take a moment to think about many popular diets. many last between fifteen and thirty days. so what happens the day after the diet challenge ends? all too often the person goes back to past eating practice.
this is why people should focus less on a number based weight goal and more on a long term habit. lock in some good habits and that weight loss will happen.
for example, a 