But in years of tracking my spendings (mostly with my smartphone) I have pretty constant spendings for my day to day live (rise of cost of living etc. in mind).
I would describe me not as rich -not even close.
Tracking budgets for example food / clothes per month helps me staying in a certain range.
This is the real answer. Ideally you keep track of most of the things you spend money. That way you can see how much you are spending on each category.
Maybe you eat out less to save for something you really want, like a jacket or pair of shoes. Or you stop reflexively saving and go on vacation.