Tiny habits for big results

Why do some people succeed at saving while others do not? Read that carefully. I'm not asking why some people are successful investors while others are not. What I'm asking is why do some people save while others do not save. Or if they do save, it's not much more than whatever they are forced to do through EPF or NPS or tax-saving etc? They never make the choice of saving. This is something that all of you would have observed. With some people it almost seems like a law of nature that they will save while with others it seems to be the opposite. I'm sure you can think of many explanations and so can I. These explanations may or may not be correct. There may be many different explanations, which apply to different people. It does not matter, it's not very